Sea-Dog Sea Dog Galvanized Quick Link 3/8in. Hex shaped bolt for easy opening. Constructed of electro-galvanized formed mild steel for galvanic protection and corrosion resistance. Features of Sea-Dog Sea Dog Galvanized Quick Link Formed Steel Electro-Galvanized Quick Link Dimensions: A: 3/8" B: 3-1/2" C: 15/16" D: 1/2" E=1/2" Ideal for chain repair hammocks and restraining gates Breaking Strength: 12100 lbs Package Contents: Sea-Dog Sea Dog Galvanized Quick Link Sea-Dog 158010-1: Sea Dog Galvanized Quick Link 3/8in