Features and Benefits * Sizes are color coded * Packaged in a heavy duty blow mold case * Fully Guaranteed * Also available individually This set contains the most popular sizes and torque ratings needed in the automotive service industry. Torque limiting extensions often extend the life of thin wall impact sockets by limiting the torque to the required rating. All come in a 1/2" drive: type 65 ft./lbs., 80 ft./lbs., 100 ft./lbs., 120 ft./lbs. and 140 ft./lbs extension bars.