The LH series is a type of challenge leaf chain. They are made to exact specifications in order to obtain optimum combinations of strength and wear resistance. The chains complies with the ANSI standards in robust BL types, light duty AL, EL and FLC. The applications are given ISO. The device consist of a link plates. It is made from carbon or alloy steel in order to withstand sudden shock loads.
To make sure that the breakage resistance reaches its maximum level, plates are heat treated. The pins are made from heat treated alloy steel.