MATERIAL: 3/4″ Easy open d ring shackles constructed with an industry standard 7/8″ pin, made of heavy duty drop forged steel. Ideal for rescue and towing purposes when used with a towing strap. The set includes 7/8″ pins x 2pc, hex nuts x 4pc, hex socket screws x 4pc, l-shaped bodies x 4pc, and hex wrench x 1pc.