1.0mm diameter Cotter Ring in A4 Stainless Steel

Cotter rings, also known as split cotter rings, kick-out rings and retaining rings. These are made from A4 marine grade stainless steel and are durable and corrosion resistant. Designed for attaching and securing items and for use with clevis pins. They are easily removable and fast to install. Insert the end outside the circle into a hole on the item it's attaching to and wind it on.