Outdoor Sport 80mm x 8mm Zinc-Galvanized Steel Carabiner Snap Link Hook - 3-1/4" x 5/16" Versatile binding, rigging and anchoring hardware - allows fastest connect/disconnect Push gate in to open - auto-close spring gate with interlock tooth prevents load forcing open Zinc galvanized steel for superior strength, excellent rust\corrosion resistance; 8mm diameter link 23mm inside-width tapers to 10mm at eye, 10mm maximum gate clearance; 3-1/4 length x 5/16 link Allows quick connect/dis-connect of ropes, chains & straps; also in 50mm, 60mm & 100mm