●D=0.4 inches (11 mm), L=1.7 inches (43 mm), W=0.6 inches ●Working load 330.7 lbs (150 kg) ●Used for connecting chains and wires ●Easy to connect rope and rope ●Also known as Magic Ring, C Ring, Magic Ring ●Made of stainless steel, it is rust and weather resistant, durable and long lasting. Perfect for outdoor and coastal use!