Interchangeable Low Profile Hexagon Cassette, Product Type Torque Wrench Cassette, Tool Series HLP, Nominal Torque (N-m) @ 10,000 psi 2,089 N-m, Nominal Torque (ft-lb) @ 10,000 psi 1,541 ft-lb, Minimum Hex Size (in) 2 3/16 in, Maximum Hex Size (in) 2 3/16 in, Minimum Hex Size (mm) 55 mm, Maximum Hex Size (mm) 55 mm, Hex Size 2 3/16 in, Compatible Tool Series HMT Series Hydraulic Torque Wrench Drive, Compatible Manufacturer Drive Unit Number HMT1500, Compatible Grainger Drive Unit Number 61MP46