For hexagonal bolt heads in metric sizes and in inch SW 0 - 32 mm (3/8" - 1 1/4"), adjustment positions: 15, pipe size: 3/8" - 1 1/4" Automatically locks from 17 mm, replaces a set of wrenches. Firm and secure grip on damaged, rusted or painted nuts and bolts. Fast tightening and loosening of screw connections according to the ratchet principle. Through-hole joint pin, pinch guard, Adjustment by button directly on the workpiece, also possible with one hand. Chrome vanadium electric steel, forged, multi-stage oil-hardened, pliers gray atramentized, head polished, handles coated with anti-slip plastic Pipe diameter 3/8 - 1 1/4 " Features polished, forged, oil-hardened Fine adjustment 15-fold Main color black Length 250.0 mm Secondary color red Application gripping, loosening, assembling / disassembling Type/kind Item Design water pump / pipe wrench