Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy opening. Constructed of electro-galvanized formed mild steel for galvanic protection and corrosion resistance. Ideal for chain repair, hammocks and restraining gates. A 1/4" B 2-1/4" C 1/2" D 5/16" E 3/8" Break Strength 4400 lb