XtremepowerUS 1/2", 3/8" Drive Digital Torque Measurement Adapter 29.5-147.6 Lb-ft
Digital Torque Adapter converts standard 1/2" inch drive ratchet into an accurate digital torque wrench. Can be set the desired torque value, plug in a ratchet and socket and tighten the fastener until the digital display and audible tone indicate you've reached your target torque. The unit can calibrate an existing torque wrench right in your own shop or garage.