Neiko 03712B 1/2 Inch Drive Adjustable Torque Wrench, Chrome Vanadium Steel, 30-150 Feet-Pound, 21 Inch Length Half inch drive torque/ratchet features reversible motion, lock and unlock adjustment and emits a loud click indicates selected torque value Heat-treated, chrome vanadium steel construction for extreme durability and shock resistance Machined factory tested and calibrated to +/- 4 percent that helps avoid breaking or over-tightening bolts Torque settings adjustable between 30-150 foot-pounds; Includes markings for adjustments between 40.7-203.4 Newton-meter ABS custom fitted storage case included for safe, convenient storage