Sealey stw802 torque wrench vde 3 8in square drive 20 100nm sealey stw802 p this torque wrench from sealey has a chrome vanadium steel ratchet head with smooth action mechanism calibration tolerance in accordance with bs en iso 6789 2003 accuracy of plusmn 4 and issued with an individually numbered test certificate fully insulated to vde and en 60900 to protect from electric shocks up to 1500v dc and 1000v ac ideal for technicians working on modern hybrid and electrical vehicles 1500v