JUNZHIJIA
Model: WL8-4821 (4136B)

WL8-4821 PP Gun Case

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The WL8-4821 (item code 4136B) is a wide, deep hard case from the JUNZHIJIA 8 Series. It measures 482*420*210 mm outside and 410*360*190 mm inside, split into a 40 mm lid and a 150 mm base, with a 4.2 mm wall and a net weight of 3560 g. The polypropylene shell is injection moulded and the closed case is sealed to IP67 for water and dust protection, keeping rain, moisture and dust out in transit and storage. The wide floor and 150 mm base are what set this model apart from shallower cases on the same footprint: the deeper base takes bottles and consumables standing upright, instruments with brackets and grouped tools, while the 40 mm lid layer suits thin parts such as washers and driver bits. That makes it suitable for hardware tools, measuring instruments, electronic devices and photographic or drone accessories. Kexin New Materials (Guangdong) Co., Ltd. produces this model at its Zhongshan factory and supplies it factory-direct for OEM and ODM wholesale, with colour, printing, foam layout and latch options configured to order.

Specifications

External Dimensions482*420*210mm
Internal Dimensions410*360*190mm
Lid + Base Depth40+150mm
Wall Thickness4.2mm
Weight3560g
MaterialPP

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FAQ

Frequently Asked Questions

What are the dimensions of the WL8-4821, including the lid and base depth?

The case measures 482*420*210 mm outside and 410*360*190 mm inside, split into a 40 mm lid and a 150 mm base, with a 4.2 mm wall, an empty weight of 3560 g and a usable floor of 410 by 360 mm. The deeper 150 mm base takes bottles and consumables standing upright, instruments with brackets and grouped tools, while the 40 mm lid suits thin parts such as washers and driver bits. Send a drawing or photo if an item sits close to the limit.

How good is the water and dust protection on this case?

The polypropylene shell is injection moulded with a sealing structure, and the closed case is rated IP67 for water and dust protection. It handles rain, dusty workshops and short immersion, which suits workshop, field service and warehouse use. We do not claim military standard certification for this model. The rating depends on the lid seating correctly on the gasket, so with a deeper, heavier load check the seal regularly for ageing or trapped debris and avoid prolonged rain or immersion once it is damaged.

What is the wall thickness and how much weight can it carry?

The body is polypropylene with a 4.2 mm wall and the empty case weighs 3560 g. Single-shot injection moulding gives the wall and floor their stiffness under normal tool and equipment loads. We do not recommend long-term overloading or packing very dense heavy items, as that can affect how the lid closes and seals. Use both hands and keep the case level when carrying a heavy load, and clean with water or a mild detergent and a soft cloth.

How do I choose between this model and the shallower version on the same footprint?

Both share the 482*420 mm outer size and the 410*360 mm usable floor. The difference is height and depth: this model has 190 mm of internal height, a 150 mm base and a 3560 g empty weight, while the shallower version has 140 mm of internal height, a 100 mm base and a 3310 g empty weight. Choose this one for upright or bulkier packing, and the shallower one for flat, long tools where lower weight matters.

Do you support OEM and ODM, and how are MOQ and lead time set?

Yes. Kexin New Materials (Guangdong) Co., Ltd. manufactures at its Zhongshan factory under the JUNZHIJIA brand and supplies factory-direct for OEM and ODM orders. Colour, silk-screen printing or nameplates, foam insert layout and latch configuration can all be customised. MOQ and lead time depend on the chosen colour, insert process and printing requirements, and a sample is normally confirmed before batch production. Send your application, quantity and customisation list and our team will quote.

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