Torque Wrench Cassette Product Type Torque Wrench Cassette Tool Series W Nominal Torque (N-m) @ 10 000 psi 10 846 N-m Nominal Torque (ft-lb) @ 10 000 psi 8 470 ft-lb Minimum Hex Size (in) 3 7/8 in Maximum Hex Size (in) 3 7/8 in Minimum Hex Size (mm) 98.4 mm Maximum Hex Size (mm) 98.4 mm Hex Size 3 7/8 in Compatible Tool Series W Series Hydraulic Torque Wrench Drive Compatible Manufacturer Drive Unit Number W8000X Compatible Grainger Drive Unit Number 38XV41 Material Steel