1 Inch Antique Brass Bolt Snap Length: 3.14 inches Swivel Rectangle Inner Loop 25mm Swivel Rectangle Outer Loop 36mm These heavy duty nickel plated swivel snap hooks come with a 1 inch rectangle-shaped swivel head. It is made with a nickle finish with a steel core for strength and durability. These snap hooks can be used for dog leashes, bag straps, camera bag straps, shoulder straps, purse straps, horse bridles etc