Sealey torque adaptor calibration charge for stw290 sealey premier caladaptor our specialist qc torque calibration equipment gives us the facility to check or re calibrate torque wrenches that have lost accuracy during normal workshop use re calibration service we offer a competitively priced calibration service for the complete sealey range of mechanical and digital torque wrenches contact our technical help line for further information on 01284 757505 and quote the sealey model number for