Light duty key chuck:

ZM00-K1-13L 1-13mm key chuck with weight 0.305kgs

ZM00-K3-16L 3-16mm key chuck with weight 0.625kgs

Heavy duty key chuck:

ZM01-K1-13H 1-13mm key chuck with weight 0.625kgs

ZM01-K3-16H 3-16mm key chuck with weight 0.750kgs

ZM01-K5-20H 5-20mm key chuck with weight 1.400kgs