SZHOWORLD 10PCS/LOT Classic D1 Alloy Spring Hanging Buckles Keychain Carabiners EDC Keychain Backpack Clasps Camping Bottle Quickdraw Paracord Tactical Accessories High Quality Classic Simple D1 Spring Hanging Buckles Climbing Carabiners EDC Keychain Backpack Clasps. Three colors available Material: Zinc Alloy, no nickel plating or rolling,water mill craft Size: Length about 3.2cm, at its widest point 1.5 cm, hole diameter 0.7cm Simple Mini style can be used with a key ring / umbrella rope to the Keychain and other items for EDC. Bearing: maximum tensile force is about 15 kg