GearWrench Torque Wrench 85079 1 2 Inch Drive Digital Angle Tracking (25 to 250 ft lb 72 Tooth 5 Degree Swing Arc Flex Head Mechanical Fastener) Sanders Integrated Pre Setting Size Scale: High visibility Integrated Pre Setting Size Scale: High visibility stamped scale along the hook jaw allows operators to set the required pipe diameter prior to mounting the tool 3 Position Ratcheting Mechanism: Smooth ratchet collar provides forward The GearWrench 85079 1 2 Inch Drive Digital Electronic Torque Wrench is a precision angle tracking fastener driver engineered for torque plus angle tightening protocols on automotive cylinder heads 300 Pro Tip: Set the primary torque target first when tightening torque to yield head bolts