Stainless Steel Screw for Quick Release Neck Strap Q Screw and Trigger Snap Hook Combo One (1) Steel Screw One (1) Trigger Snap Hook This solid stainless steel screw provides a positive connection point while perfecting the quick and easy attachment and release system. The enhanced locking ridges ensure that solid connection between your camera and quick release neck straps. Made of solid stock 304 stainless steel With high-grade rubber compression washer