This Quinn torque wrench is the perfect tool for your automotive needs. With a drive size of 3/8 inches and a range of 20-100 ft. lbs., it accurately measures the torque you need for your repairs. Its ratcheting action makes it easy to use and its compact size makes it easy to store. The unit type is in feet and it comes with one piece. The model number is 58994 and it is a click torque wrench. This tool is perfect for any mechanic or DIY enthusiast.