McMaster 85555A214 Adjustable Ratcheting Torque Wrench with Certificate, 50–250 in·lbf 5.6–28.2 N·m, 3 8" Square Drive G8088632 H Tether Ready Yes Face H Tether Ready Yes Face Material Drop Forged Steel Hammer Type Sledge Hammer Double Faced Yes Face Shape Round Non Sparking No Replaceable Handle No Grip Material Rubber Striking Surface Hardness 46 HRC Compatible Gas Type Oxygen Body Material Brass Number of Stages Single Stage Outlet Pressure (Maximum) 60 psig Outlet Pressure (Minimum) 2 psig Features 1 5 8 in Tri Layered Reinforced Diaphragm set torque to the lowest reading on the scale when not in use which includes test measurements that confirm accuracy