Soft jaws allow for forming of jaws and subsequent clamping of molded parts which must not have clamping marks on the workpiece surface. Steel jaws are case hardenable for the jaws to be hardened for longevity after machining.
For clamping different materials for the optionally three different clamping inserts are available. The use of teeth results in a high surface pressure whereby maximum holding forces are achieved. In the case of wear of the Mastergrip clamping claws ...