3020BC, 7/16" x 4", Zinc, Plated Bolt Snap, Open Fixed Eye, Designed To Use With Rope, Chain, Strap, Animal Leashes & Other Home, Farm, & Recreational Applications, Stainless Steel Spring, Open Eye Is Designed To Be Closed With A Vice Or Hammer After Attachment, Easy Bolt Retraction With Pull Down Trigger, Steel Body, Zinc, Die Cast Bolt, Bagged Loose.