Description BikeMaster Digital Torque Wrench Features: Easy to read digital display with auto shut off Extremely accurate torque settings 1/4" and 3/8" measure in five units: in. lb., ft. lb., Nm, kg/cm, and kg/m 1/2" measure in four units: in. lb., ft. lb., Nm, and kg/m Peak and Track modes give you the option to log the highest torque achieved Alarm and red light flashes when set torque value is reached Built-in memory logs the last 50 torque values you achieved Comes with a heavy-duty protective carrying case 1/4" and 3/8" are 9" in length, 1/2" is 19" in length Available in 1/4" drive (with 2.2 - 22.1 ft. lb. range), 3/8" drive (with 19.9 - 99.6 ft. lb. range) and 1/2" drive (with 29.5 - 147.5 ft. lb. range)