Classic simplicity clasp mini spring buckle hanging quickdraw metal keychain EDC backpack clasp Mini style can be used with a key ring / umbrella rope to the flashlight and other items for EDC. Strong and durable metal material,no nickel plating or rolling,water mill craft Bearing: maximum tensile force is about 15 kg/34lb Keychain total size is about 1 inch /2.54cm and the round opening diameter is about 1/5 inch 0.5cm,550 LB parachute umbrella rope can pass through the middle hole Great for key ring, umbrella rope,parachute cord or other outdoor EDC items SF high stenth and durable spring opening design Color: black Material: metal Weight: 2.g(per piece) Length: 2.5cm/0.98 inch (Approx.) Max Width: 1cm/0.39 inch (Approx.) Hole Diameter: 0.5cm/0.20 inch (Approx.) Opening Mouth Width: 0.3cm/0.12 inch (Approx.) Package Contents: 10pcs keychain Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.