PRODUCT INTRODUCTION:1. Features Applications:Good DurabilityOur detachable hooks are made of good-quality zinc alloy and are not prone to rust or fading. It has high hardness and is not prone to deformation. These durable keychain hooks ensure that your items are always firmly in place.Extensive PracticalityThe detachable snap hook with w/screw bar is highly suitable for keychain making, wallet making, lanyard making, and is widely used in handbags, backpacks, key chains, pendants, leather handicrafts, DIY handicrafts, etc.2. Specification:Pack: Each package contains 4 rotating hooks.Overall dimensions: 4.85x2.4cm / 1.91x0.94 inches (length x width), opening width dimensions: 0.5cm / 0.2 inches, inner diameter width dimensions: 1.5cm / 0.59 inches.Advantage: This type of screw can be disassembled and replaced without removing thread or sewing. It also has a non-destructive installation hook and is easy to use.3. Use and Warm Tips:Usage method: Each keychain clip is designed with a rotating hook clip and a d-ring for convenient connection and use.