Item Type: Snap Hook Material: Stainless steel Function: Stainless steel precision casting processing parts, rust proof, corrosion resistance, durable Use: Universal spring buckle, key chain dog buckle, pet accessories, sailing accessories Package List 4 x Snap Hook 1Adopting stainless steel precision casting processing parts, rust proof, corrosion resistance, durable. 2Suitable for pet leashes and collars, pet slings, wallet straps, backpack straps, keychains, outdoor equipment, etc. 3Strong and durable, with a smooth surface. Rectangular base. Springloaded trigger. 4Has the advantages of 360 rotation, easy to clamp, flexible rotation, and avoiding entanglement. 5Buffer, shock absorption, use deformation to convert energy to store energy, and fasteners to prevent loosening.