The trigger snap hooks is suitable for keychains, wallets, shoulder straps, backpack straps, belts, bird cages, lanyards, pet collars, camera straps and other DIY crafts, firmly locked, giving you a reliable connection The trigger spring is made of premium zinc alloy with a smooth and no burrs. It has high strength and wear resistance. The spring is powerful to that the lock is safe and reliable. It comes in a variety of colors to make your accessories more The size of the swivel trigger spring buckle is 1.26 x 0.47 inches/32.1 x 12mm (L x W), and the ring diameter is 0.91 inches/23mm. The package contains 15 pcs trigger spring buckles The spring buckle can be opened by pressing it in. The spring buckle not get stuck or open accidentally. It is still sensitive and reliable after repeated use. The lower ring can rotate 360 degrees to prevent items from becoming entanglement. Avoid hanging heavy objects to avoid damage to the spring plate buckle. For daily cleaning, wipe with a soft dry cloth Color: Silver Material: Metal Package Contents: 15*pcs Lobster Claw Clasp Only the above package content, other products are not included. Note: Light reflection 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.