3016bc, 1″ x 3-1/8″, nickel, bolt snap, loop fixed eye, designed to use with rope, chain, strap, animal leashes & other home, farm, & recreational applications, stainless steel spring, fixed eye for applications that will not twist, rectangular eye is for strap application, easy bolt retraction with pull down trigger, zinc, die cast body, chrome finish is resistant to rust & corrosion.