SOONSUN Aluminum Replacement Latch Rear Snap Lock Buckle for GoPro Hero 4 Hero 3+ Hero4 Camera Standard Waterproof Skeleton Housing (Silver) Compatible with GoPro Hero3+ Hero4 camera standard waterproof skeleton housing The replacement latch is made of CNC 6061 aluminum,simple structure with exquisite workmanship,lightweight to carry Updated fixing aluminum latch,easier install and remove Updated screw design,tighter and more sturdy,allows the rear door to shut tight The screw and lock ring is made of 304 stainless steel,rustproof in seawater