Double-ended design makes bolt snaps more versatile. Spring-loaded bolts provide secure closure and easy-open thumb lever, easy to use with a single hand. The double-ended snap hook is used to make a quick, reversible connection on a system of ropes or to connect a rope or cord to another component.Features - Color: Black - Material: Stainless steel - Size: 9.00 x 2.00 x 0.80 cm / 3.54 x 0.79 x 0.31 inch - Common uses include pet leashes, key chains, straps, horse tack, and various home or farm applications - Double-ended bolt snaps are sturdy, durable, lightweight, and easy to carry and use - Suitable for latching, bucket hanging, feed tub hanging, and other general utility purposes - Do not overload; not intended for mountaineering, climbing, or high-altitude activities for safety reasons - Made of premium stainless steel for strength and durability in a range of applications Package list: 4 x double-ended hooks