Chrome vanadium steel ratchet head. 3-way ratchet drive mechanism: forward / lock / reverse. Quick release button ensures firm socket retention and easy socket removal. Easy torque adjustment, positive lock with spring loaded pull-down lock ring. Applied to test torque clockwise and counterclockwise direction. Comfortable ergonomic handle. Tolerance of torque accuracy +/-4% CW and +/-6% CCW.
Features:Attacco quadro da 1/4"; 6-30 NM
Features:Attacco quadro da 1/2"; 40-210 NM