- Adjustable wrenches developed according to the scientific ERGO™ process\n- Standards: ISO 6787, DIN 3117, ASME B107.8M - 1996 and BS 6333\n- High performance alloy steel\n- Comfortable non-slip thermoplastic grip handle\n- Scale in mm for pre-adjusting and accurate measurement\n- The jaw does not fall out even at maximum opening of the wrench\n- Head angle 15º provides better accessibility\n- Left turning screw\n- P series: Reversible jaw for pipe use\n- Black finish. Precision hardened and anti-corrosion treated