Ring-clampsHand files, pin vices and ring-holders Subgroups hand file clamp with prismatic jaws namewidth of jawspanlengthitem No.Hand-vice8 mm7 mm115 mm511309Hand-vice16 mm7 mm115 mm511311 ring clamp wing-nut with butterfly nut namewidth of jawspanlengthitem No.ring clamp30 mm30 mm160 mm502011 ring clamp standard with clamping screw namewidth of jawspanlengthitem No.ring clamp30 mm8 mm135 mm502010