●D=4mm S=6mm L=33mm B1=11mm B2=9.5mm E=4.4mm ●Working load 110.2 lbs (50 kg) ●Can be used to attach and connect terminals such as chains ●Easy to open and close by turning the nut ●Made of stainless steel, it is rust and weather resistant, durable and long lasting. Perfect for outdoor and coastal use!