Torque Wrench Cassette Product Type Torque Wrench Cassette Tool Series W Nominal Torque (N-m) @ 10 000 psi 5 423 N-m Nominal Torque (ft-lb) @ 10 000 psi 4 175 ft-lb Minimum Hex Size (in) 1 5/8 in Maximum Hex Size (in) 1 5/8 in Minimum Hex Size (mm) 41 mm Maximum Hex Size (mm) 41 mm Hex Size 1 5/8 in Compatible Tool Series W Series Hydraulic Torque Wrench Drive Compatible Manufacturer Drive Unit Number W4000X Compatible Grainger Drive Unit Number 38XV32 Material Steel