Home Slickdeals ACDelco ARM602-4 1/2” (14.8 to 147.6 ft-lbs.) Heavy Duty Digital Torque Adapter... Slickdeals ACDelco ARM602-4 1/2” (14.8 to 147.6 ft-lbs.) Heavy Duty Digital Torque Adapter with Buzzer and LED Flash Notification – ISO 6789 Standards with Certificate of Calibration $55.44 By ARCOM - 8 March 2023 9 0 SHARE Facebook Twitter Go to the deal page: ACDelco ARM602-4 1/2” (14.8 to 147.6 ft-lbs.) Heavy Duty Digital Torque Adapter with Buzzer and LED Flash Notification – ISO 6789 Standards with Certificate of Calibration $55.44