Pound for pound... the Sealey range of Micrometre Torque Wrenches are some of the best value for money Torque Wrenches available! This premier quality product is heat treated, fully hardened and tempered then chrome plated for corrosion resistance. Each wrench is calibrated and certified to +/- 3% accuracy to a traceable NAMAS laboratory standard. The correct torque setting is easily selected by using a micrometre type torque range adjustment and incorporates a 'flip reverse' ratchet mechanism. Available in 3/8, 1/2 and 3/4 Inch Drive, ranging from 10ft/lbs - 300ft/lbs means there's one suitable for any job however big or small!Each wrench is supplied with it's own storage case.Options3/8 Inch Drive, 275mm Length, 20 - 80ft/lbs (27.1 - 108.5Nm)1/2 Inch Drive, 465mm Length, 20 - 150ft/lbs (27.1 - 203.5Nm)3/4 Inch Drive, 660mm Length, 50 - 300ft/lbs (67.8 - 406.8Nm)Model No:AK623Drive:3/8"SqLength:275mmRange:27-108Nm(20-80lb.ft)Model No:AK624Drive:1/2"SqLength:465mmRange:27-204Nm(20-150l