ITEM NAME:Blue Rear Snap Latch Housing Lock Cover For GoPro Hero 3 Plus/4 Camera Description: Aluminum material, CNC precision machining, surface anode anti-oxidation treatment. It's especially designed for GoPro Hero 3 Plus/ 4 housing case. Durable and sturdy, lightweight. With a better and more reliable lock system, enables you to use it more conveniently. It does well in waterproofing, so you can use you camera freely. Specification: Size: approx 52*30*5mm Material: Aluminum alloy Package Includes: 1 x Waterproof Housing Lock Buckle for GoPro Hero 3 Plus/ 4 (camera, lock buckle NOT included) SKU: ALU0021222251007654.It's especially designed for GoPro Hero 3 Plus/ 4 housing case.