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 used to make a quick, reversible connection on a system of ropes or used to connect a rope or cord to another component. Features - Color: Black. - Material: Stainless steel. - Size: 9.00 x 2.00 x 0.80cm/ 3.54 x 0.79 x 0.31 inch. - The most common uses for snap hooks are in pet leashes, key chain, straps, horse tack and other home or farm applications. - These double ended bolt snaps are sturdy and durable. Lightweight, easy to carry and use. - Can be used for latch, a bucket hanger, hanging feed tubs and many other various uses. - Don't overload seriously,not for mountaineering, climbing and high-altitude games for your safety. - These bolt snap hooks are made of premium stainless steel that is sturdy and designed to hold up tough in any application. Package list: 4 x double ended hooks