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High-strength impact-resistant case suitable for working conditions in repair workshops, used to store maintenance tools and precision spare parts.
This #2301 matte grey aluminum alloy portable password protective case supports OEM/ODM customization. It features a thickened aerospace aluminum profile frame, a fine matte frosted grey panel, and thickened black rubber-metal composite anti-collision corners on all four sides. It is fitted with dual 3-digit metal anti-theft combination locks, reinforced soft rubber handles, and double rows of rust-proof metal hinges. The lid comes with an elastic fabric storage pocket, and the interior is lined with short black flocking. Optional wave-shaped shock-absorbing foam and CNC one-piece grooved EVA lining are available. It is ideal for storing auto repair tools, industrial testing equipment, electronic components, hardware parts, business samples and precision devices during outdoor transport.
External dimensions: 390×295×130mm (15.35”*11.61”*5.12”)
Internal usable dimensions: 375×280×120mm (14.76”*11.02”*4.72”)
Outer packing dimensions: 425×160×370mm (16.73”*6.30”*14.57”)
The net weight of the case is 1.9KG. Lightweight yet sturdy, it enables one-stop storage of complete sets of small precision equipment for on-site auto repair, field equipment inspection, exhibition sample display and laboratory transportation.
Constructed with thickened aerospace aluminum alloy frame and wear-resistant matte frosted grey panel, the case has fully wrapped rubber-metal anti-collision corners on four sides, paired with two independent 3-digit metal combination locks and double rows of rust-proof rear hinges. It offers dustproof, slight waterproof, scratch-resistant, mild shockproof and portable anti-theft performance. The lid is equipped with an elastic cloth bag for sorting small fittings. Multiple types of liners are available to fit application scenarios across various industries. It addresses common problems including scattered auto repair parts, bumps to precision instruments during transit, lack of anti-theft protection for valuable samples, and difficulties classifying small probes and screws. It is a versatile multi-functional aluminum alloy password storage box widely used by auto repair technicians, testing engineers, electronic maintenance workers and business sales representatives.
Matte grey wear-resistant aluminum case with rubber corner protectors for drop resistance and noise reduction: it features an integrated thickened aerospace aluminum alloy wrapping edge. The matte frosted grey panel resists fingerprints, oil stains and scratches. Black composite anti-collision corners on all four sides cushion impacts and reduce noise during drops, making it suitable for greasy and harsh working environments such as auto repair shops and construction sites. Weighing only 1.9 kilograms, the case balances load capacity and portability, and can be easily stowed in car trunks or tool bags.
Dual independent 3-digit metal combination locks for double anti-theft protection with no keys required: two separate metal combination locks are installed on the left and right sides of the case, each allowing an exclusive password to be set. Valuable auto repair testing equipment and exhibition samples can be stored safely. The metal lock cylinders are rust-proof and oil-resistant, preventing accidental unlocking during bumpy vehicle transportation; the case cannot be opened without the password.
Integrated reinforced soft rubber handle that avoids hand soreness even when fully loaded with heavy tools: an enlarged curved soft rubber grip is fitted at the center of the front face, reinforced with riveted double-layer metal brackets. It bears weight evenly when filled with auto repair tools and sensor probes. The anti-slip rubber grip prevents palm abrasion during long-distance outdoor maintenance work.
Elastic fabric pocket pre-installed on the lid for separate storage of small parts: a large-capacity elastic fabric storage pouch is sewn onto the upper cover. Tiny accessories including screws, probes, data cables and small wrenches can be stored separately from large instruments inside the main compartment for quick access, preventing loss and disorder of small loose parts.
Double rows of thickened metal rear hinges to hold the lid firmly without sagging: rust-proof metal hinges are secured with multiple rivets in two rows on the back. They have strong load-bearing capacity and hold the lid at a stable opening angle. The hinges stay tight and intact even with frequent opening and closing in auto repair work, extending the service life of the case.
Multiple types of liners for optional selection, covering auto repair, instrument storage and business scenarios:
1. Standard short flannel empty compartment set: elastic fabric pocket on the lid plus black short flannel inside the case, offering gentle anti-scratch protection for bulk hardware parts and general maintenance tools.
2. Double-layer shock-absorbing sponge set: wavy sponge on the upper lid plus solid foam at the bottom. Grooves can be manually cut to fix precision probes, sensors and optical components for shock protection during long-distance transportation.
3. CNC grooved EVA liner: integrally formed with precise divided zones matching the shapes of instruments and auto repair tools, providing customized protection for complete sets of special equipment.
Flexible small-batch customization for enterprises, applicable to multiple industries:
The flat matte grey front panel supports laser engraving and screen printing of logos, auto repair shop names and equipment model numbers. Custom case colors (matte grey / silver / solid black) are available. Custom integrally grooved EVA shock-absorbing liners can be produced according to equipment dimensions.
| Parameter Items | Value |
|---|---|
| External Dimensions | 390×295×130mm（15.35”*11.61”*5.12”） |
| Internal Dimensions | 375×280×120mm（14.76”*11.02”*4.72”） |
| Outer Package Dimensions | 425×160×370mm（16.73”*6.30”*14.57”） |
| Net Weight | 1.9KG |
| Main Material | Reinforced aerospace aluminum alloy frame, matte frosted grey ABS panel, and rubber composite anti-collision corners |
| Protection Performance | IP67 dustproof and waterproof, mild shock resistance, oil stain resistance and scratch proof, password anti-theft, easy to wipe and clean |
| Standard Configuration | Dual independent 3-digit metal combination locks, central integrated soft rubber handle, double-row thickened metal hinges |
| Optional Lining | Wavy foam sponge + solid base foam, CNC integrally grooved EVA, layered pearl cotton, elastic fabric storage pocket on the case lid |
Dual Independent 3-Digit Metal Combination Locks
The symmetric metal combination locks on both sides support separate password settings for double anti-theft protection. The metal lock body resists rust and oil. It will not pop open automatically even with vehicle vibration, making it ideal for storing high-priced auto repair detectors.
Integrated Widened Soft Rubber Handle
This curved soft grip on the front is firmly riveted with double-layer metal brackets. Featuring an anti-slip wrapped structure, it delivers a comfortable grip when carrying a full set of auto repair tools without bending or breaking easily.
Four-corner Rubber Composite Anti-collision Corner Protectors
These metal corner protectors are fully wrapped with black rubber on all four sides. They cushion impacts during handling and drops, reduce noise and prevent scratches. Designed for the harsh working conditions of auto repair workshops, they keep the case from deforming.
Elastic Fabric Storage Pocket on the Lid
The large-capacity elastic fabric pocket on the top lid holds small accessories such as screws, probes and data cables for neat compartmentalized storage. The elastic fabric is wear-resistant and not prone to loosening or fraying.
Matte frosted grey; silver and matte black cabinet bodies are available for medium and small-batch customization.
LOGO Engraving: Laser engraving and screen printing of auto repair shop names, equipment models and corporate brand logos are available on the panel;
OEM/ODM Customization: Length, width and height dimensions can be slightly adjusted; numerically controlled grooving for complete sets of EVA shock-absorbing liners can be done as required;
Bulk Procurement: Small minimum order quantities are offered for auto repair shops, testing equipment manufacturers, electronic repair workshops and commercial gift suppliers, and VAT invoices can be issued.
Storage for complete auto repair testing equipment: Store vehicle fault detectors, sensor probes, calibration tools and complete wrench sets together. Password locks protect high-value equipment, and oil-resistant cases are suitable for auto repair workshops and on-site service calls.
Storage for industrial precision testing instruments: Handheld thermometers, flaw detection probes, thickness gauges and calibration accessories can be placed inside with optional shock-absorbing foam to prevent shock and scratches during on-site field sampling.
Storage for electronic maintenance components: Chips, resistors, circuit boards and mini maintenance tools are kept safe from scratches on precision electronic parts thanks to the flannelette interior. Small spare parts can be stored in fabric pockets on the case lid.
Storage for business component samples: Small metal mould specimens, mechanical fittings and electronic product samples are secured with dual password locks for anti-theft protection, keeping items neat and professional for transportation to exhibitions in other cities.
Storage for small laboratory precision consumables: Mini spectral analysis equipment, sampling probes and experimental fittings are kept airtight against dust and moisture to avoid oxidation and damage to delicate consumables.
Storage for complete household hardware tools: Small electric grinders, multimeters and screwdriver sets fit neatly in the large-capacity compartment, keeping home repair tools well-organized.
Main materials of the case: The frame is made of thickened aerospace aluminum alloy profiles, matched with matte frosted high-density ABS panels, which are oil-resistant, scratch-resistant, wear-resistant, and resistant to bending and deformation. The four corners are fitted with composite rubber corner protectors for shock absorption, noise reduction and collision prevention.
Hardware fittings: The metal combination lock and double-row metal hinges all undergo anti-rust passivation treatment, so they will not easily rust under oily and humid conditions. The soft rubber metal handle boasts high toughness and will not break even when fully loaded with heavy items.
Forming process: The aluminum alloy frame and frosted panels are integrally assembled via snap fit with evenly sealed gaps to block dust and a small amount of moisture. The corner protectors adopt snap-on installation and can be replaced individually if damaged.
Interior craftsmanship: The elastic fabric pockets are firmly stitched. The black short-fleece lining is soft and scratch-resistant, and oil stains can be easily wiped off. The high-density shock-absorbing sponge maintains stable resilience for long-term cushioning. The integrated flat interior is compatible with multiple types of matched cushioning liners.
Independent Protective Packaging: Each case is individually packed in a carton and sealed separately with an extra-thick corrugated outer carton to avoid corner bumps and surface scratches during courier transportation.
Delivery Lead Time: In-stock empty cases will be dispatched within 48 hours. Orders with logo engraving and custom molded EVA, sponge or pearl cotton liners will be scheduled for production and delivered within 15 working days.
Logistics Solutions: Courier door-to-door delivery is available for scattered retail orders. Dedicated line logistics can be arranged for bulk centralized procurement, with full-truck door-to-door delivery supported.
Packing List: Main protective case; optional liners shipped together in the same package.
Q1: Will precision testing instruments get damaged if this auto repair aluminum case is dropped in the workshop or transported in a vehicle?
A: The four-corner composite rubber bumpers can absorb minor daily bumps. If you store high-precision equipment such as sensors and optical detectors, it is recommended to select the double-layer shock-absorbing sponge liner for better anti-shock performance. The case is not suitable for heavy drops from high altitudes.
Q2: Can the case be washed with water if it gets stained with engine oil?
A: Wipe the aluminum alloy frame and frosted panel with a damp cloth and detergent; do not soak them in water for a long time. Keep flannelette, sponge and fabric pockets away from excessive water. Wipe them clean, air-dry thoroughly before storing tools.
Q3: Can a complete set of auto repair instruments and tools fit fully inside?
A: Items can be fully stored if their overall length, width and height are smaller than the internal dimensions of 375×280×120mm. For larger sets of equipment, please inquire about the oversized aluminum protective case.
Q4: Can damaged parts including the password lock, handle, hinge and bumper be replaced separately?
A: The password lock, soft rubber handle, metal hinge and anti-collision bumper are all standard universal parts. We can send replacement parts separately for self-installation once you provide the case model number.
