Powerbuilt Socket 3 4in Dr X 2 1 8in BLX415 5.50X160 precise torque setting adjusts 40% The product is easy precise torque setting adjusts 40% fasterPush pull torque adjustment knob that allows for rapid and accurate torque settingsUnique Timestrip feature that provides a visual indication of when the torque wrench is due for re calibrationFeatures the renowned Sykes Pickavant mechanism with push thru ratchet head that has been engineered for strength and durability while operating in both clockwise and anti clockwise directionsAll Sykes Pickavant torque wrenches are manufactured in England to ISO9000:2000 standard and are supplied with a UKAS accredited calibration certificate in a protective case 3 8 in Dr (12pt) Thin wall design with chamfered hex faces make it easier to guide onto fasteners Centre hole is punched through for extra depth on the work surface