Torque Wrench Cassette Product Type Torque Wrench Cassette Tool Series RLP Nominal Torque (N-m) @ 10 000 psi 10 659 N-m Nominal Torque (ft-lb) @ 10 000 psi 7 862 ft-lb Minimum Hex Size (in) 3 1/8 in Maximum Hex Size (in) 3 1/8 in Minimum Hex Size (mm) 80 mm Maximum Hex Size (mm) 80 mm Hex Size 3 1/8 in Compatible Tool Series RSL Series Hydraulic Torque Wrench Drive Compatible Manufacturer Drive Unit Number RSL8000 Compatible Grainger Drive Unit Number 55PP90 Material Steel