Made of high-quality Metal, rust and corrosion protection. Solid and durable. Feature a small size and lightweight. Whether it is used as a or a bag making, it is light and easy to carry. The structure is reasonable with 360 degree for easy clip. The heavy duty snap is strong enough to withstand the largest pull of 80kg/176lb to hold the leash for your dogs . Perfect for clothing bags accessories, zipper pulls, handbag purse straps, dog collars, ropes, dog/pet leashes, , luggage straps and backpacks clasp. Colour:silver Material:Metal Size:Overall length: 52mm Tail inner diameter: 13mm Package Contents: 20 * swivel snap hooks Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.