1/4 inch screw + strap hole x 4 piece set For tripods and cameras, 1/4 inch Colors: Silver, Black CamKix A screw for attaching a strap by connecting to the 1/4 inch screw on the bottom of the camera. Parts that can be used in combination with a head or gimbal. Non-smoking, no pets. Quick Release Camera Tripod Mounting Screw, Attach to Neck or Wrist Straps, Set of 4, Connect Quickly and Safely, Durable Metal, Fits Standard Camera Tripod Connections, Easy Twist Grip, Rubber Buffer Colors: Silver, Black Brand: CamKix Compatible Devices: Camera Item Weight: 50 grams Recommended Maximum Weight: 64.8 grams UPC: 711099324273 Quick Installation: Easy twist grip screw. Quickly attaches to your camera's tripod mount. Convenient: The perfect and simple solution for attaching quick-release neck straps, wrist straps, and straps. Universal: Each screw fits standard camera tripod connections. Stable: The screw threads connect securely to the camera. Durable: Screws with a rubber buffer to prevent scratches. Made of durable metal for long life.