Bolt Snap, 5/8"x3-1/2", 115 lb Working Load, Zinc, Nickel, National Hardware 3003BC Series N222-596
National Hardware 3003BC Bolt Snap, Working Load Limit: 115 lb, Snap Opening Size: 5/8 in, Zinc, Nickel, Dimensions: 3-1/2 in L, Suitable for: Animal Leashes, Chain, Rope, Strap