●D=7mm L=19mm H=34mm B=60mm Thread Diameter M8 ●Working load 176.4 lbs (80 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!