●D=5mm L=16mm H=27mm B=60mm Thread Diameter M6 ●Working load 110.2 lbs (50 kg) ●It can be used in the long neck and thicker areas ●The bolt head is a ring that can be used through chains, wires, ropes, etc ●Made of stainless steel, it is rust and weather resistant, durable and long lasting. Perfect for outdoor and coastal use!