Titan 3/4" drive Digital Torque Adapter and 1/2" drive Digital Torque Adapter, Nos. 23153 and 23154, can be used to recalibrate any type of torque wrench. They come with both an LCD backlight, LED indicators, and a flip screen (180 degrees), and they can swivel 240 degrees. Each torque adapter's set comes with a calibrating block and one DC 3V, CR2032 battery. The 3/4" drive Digital Torque Adapter has a range of 50-600 ft/lbs, and the 1/2" drive Digital Torque Adapter has a range of 30-150 ft/lbs.