This Snap-On Industrial Brands 100T-I CDI Interchangeable Head Torque Wrench is a must have for those who need accuracy and reliability. It provides +/-4% CW/CCW torque at 20 to 100% of full scale. The tool's foot-pound, Newton-meter measurement system offers accurate readings every time. You can set the wrench to measure in custom preset increments, which gives you flexibility and convenience. This torque wrench has a 19 1/2 in length and features a Y drive size. If you want the best quality and performance from your tools, this Snap On Industrial Brands Interchangeable Head Torque Wrench is just what you need.