Ruixin Micro/Mini Case Series: Six Sizes for Every Piece of Gear
One Size Doesn't Fit Everything — So We Made Six
Here's a familiar scene: your digital calipers, a spare lens, a pack of SD cards, and your passport all need protection — but they need very different amounts of space. A single "one-size" hard case either rattles your small gear around or forces you to carry empty volume you don't need.
That's exactly the problem we set out to solve with the new RX-HC micro case series. Six precision-sized hard-shell cases, from a passport-thin 150 × 100 × 40 mm to a deep 240 × 190 × 190 mm cube, engineered so every piece of everyday gear gets a case that fits it — not the other way around.
Meet the RX-HC Series: Six Sizes, Every Carry Scenario
Each RX-HC model is built around a real-world carry job. Here's the full lineup:
| Model | Interior (mm) | Best for |
|---|---|---|
| RX-HC1510 | 150 × 100 × 40 | Passports, documents, cards, travel tickets — ultra-slim carry |
| RX-HC1710 | 170 × 100 × 50 | Earbuds, USB drives, small tools, everyday pocket gear |
| RX-HC2212 | 220 × 126 × 66 | Tools, test instruments, compact cameras, handheld devices |
| RX-HC2316 | 230 × 160 × 100 | Camera lenses, drone batteries, wider mixed loads |
| RX-HC2419 | 240 × 190 × 190 | Deep-cavity cube for bulkier equipment and tall items |
| RX-HC2922 | 290 × 220 × 100 | The series max — full kits, complete tool and camera setups |
Because the sizes step in a logical progression, you can build a modular carry system: an RX-HC1510 for documents, an RX-HC2212 for tools, and an RX-HC2922 for the full kit — all stacking neatly in the same backpack or drawer.
Why Hard-Shell Beats a Soft Pouch
Soft pouches and fabric organizers have their place, but they share three structural weaknesses:
- Zero crush resistance. A soft pouch in a packed bag transfers every bump directly to your gear. A rigid PP/ABS shell absorbs and distributes impact across the whole structure.
- No environmental seal. Dust, sand, and moisture work their way through zippers and seams. A hard case with a compression latch and O-ring seal keeps sensitive items (SD cards, lenses, instruments) in a clean, dry micro-environment.
- Shape collapse. Empty fabric pouches fold flat — which sounds convenient until the shape you need vanishes at the bottom of your bag. A hard case holds its form and its protection geometry, always.
That's why professionals who carry precision items — inspectors, photographers, surveyors, technicians — consistently choose hard shells for anything that can't afford to be damaged.
Built for Real Use
The RX-HC series isn't just small — it's built to the same standards as our full-size professional cases:
- Impact-resistant PP housing (ABS on select models) molded on our 1400-ton injection lines for consistent wall thickness — no weak spots, no thin corners.
- Compression latches that keep the lid sealed even when the case is packed full.
- O-ring gasket sealing on waterproof variants for dust and moisture protection.
- Auto air-valve (select models) to equalize pressure when traveling by air or across altitude changes — no vacuum lock, no popped seals.
- Customizable interiors: HDF+EVA composite liners or 2cm closed-cell PE modular grids, so each case can be configured to cradle exactly what you carry.
Who Should Carry an RX-HC Case?
The series is deliberately broad, because "small valuable gear" shows up everywhere:
- Field technicians & inspectors — calipers, gauges, laser measures, and test probes that need to survive truck beds and toolbags.
- Photographers & drone pilots — lenses, filters, memory cards, and batteries organized by size, protected from dust and drops.
- Travelers — passports, chargers, adapters, and documents in a crush-proof, easy-to-grab shell.
- EDC enthusiasts — a rigid shell for the everyday tools you actually rely on.
- Collectors — coins, watches, and memorabilia protected from humidity and knocks, with a customizable foam layout.
FAQ
Are RX-HC cases waterproof?
Select models in the series feature O-ring sealing and IP67-rated protection (dust-tight and immersion-resistant). Check the individual product page for the exact rating of each model. All models provide solid splash and dust resistance as standard.
Can I get custom foam inserts?
Yes. Every RX-HC case can be fitted with a custom HDF+EVA composite liner or a 2cm closed-cell PE modular grid. Send us your item list and we'll design an insert that cradles each piece precisely.
Do the cases stack or fit into larger cases?
Yes — the RX-HC lineup is designed as a modular system. The sizes step logically, so you can nest a document case and a tool case together inside a larger carry bag, or pair an RX-HC case with our full-size protective cases for a complete transport kit.
What materials are used?
Cases are molded in impact-resistant PP (polypropylene), with ABS used on select lightweight models. All materials are durable, recyclable, and free from hazardous substances — consistent with our RoHS/REACH-compliant manufacturing.
Conclusion: The Right Size Changes Everything
A case that's too big lets your gear slide around. A case that's too small forces compromises. The RX-HC series removes both problems by giving you six precisely engineered sizes — and the modular flexibility to configure each one around your actual gear.
Whether you're a technician who needs a tool case that survives the field, a photographer organizing lenses and media, or a traveler who wants documents and electronics in one crush-proof shell, there's an RX-HC case sized for the job.
Want to see the RX-HC series in your configuration? Contact our team for custom foam design, bulk pricing, or OEM branding on the full micro case lineup.
