Digital Torqueadaptor 1/2DrDESCRIPTION The Kincrome 1 2" Square Drive Digital Torque Adapter converts any standard 1 2" Square Drive ratchet into an accurate digital torque wrench. Simply set the desired torque, plug in a ratchet and socket and tighten the fastener until the digital display and audible tone indicate youve reached your target torque. You can also use it to calibrate an existing torque wrench. Display modes include Peak, which displays and stores the max torque