Pliers wrench combination, teeth hardness: approx. 61 HRC. Adjustment by pushing a button directly on the workpiece, even with one hand. The pinch guard prevents injuries. Self-clamping on pipes and nuts, does not slip off the workpiece and saves effort. Through-joint, chrome vanadium electric steel, oil-hardened, pliers grey atramentized, head polished, non-slip handles coated with plastic, DIN ISO 8976 (formerly DIN 5231 D) Pipe diameter 1 1/4 " Features polished, oil-hardened Fine adjustment 19-fold Cutting edge hardness 61 HRC Main colour black Length 250.0 mm Secondary colour red Application assembly / disassembly Type/kind Article Design water pump / pipe wrench