SK Hand Tools 74600 3/4-Inch Drive Micrometer Adjustable"Clicker" Torque Wrench with Digital Readout 600 Ft lb 3/4-Inch Drive Micrometer Adjustable "Clicker" Torque Wrench with Digital Readout 600 Ft lb Accuracy 20-100-percent of scale to the right (4-percent of reading) and to the left (6-percent of reading). 0-20-percent of scale 2 increments. Reversible ratchet head allows use for left and right threaded fasteners. Positive spring-loaded locking mechanism automatically locks in the selected reading Dual analog scale