Patented Torsion bar design ensures the most accurate wrench possible; Patented large shock resistant dials Dial Type wrenches are not hand hold sensitive meaning that hand position does not affect accuracy Accurate to within 2% of the reading in both clockwise and counterclockwise direction Memory needle records peak torque for each application PRID2F150HM Features: -Patented Torsion bar design ensures the most accurate wrench possible. -Dial Type wrenches are not hand hold sensitive meaning that hand position does not affect accuracy. -Accurate to within 2% of the reading in both clockwise and counterclockwise direction. -Memory needle records peak torque for each application. Use: -Torque Wrench. Quantity: -Single. Measurement Type: -SAE. Product Type: -Wrenches. Dimensions: Overall Product Weight: -1.8 Pounds.