The ARES 10-pc Metric 12-point Box End Torque Adapter Extension Set, No. 43036, is designed to work with torque wrenches to access fasteners in tight and hard-to-reach places. Measuring 2" in length, the adapters feature consistent center-to-center sizing that makes it easy to accurately adjust torque settings so that users always tighten precisely to the exact specified torque. Constructed of chrome vanadium steel with a corrosion resistant chrome polish finish, the extensions are sturdy enough to provide the torque needed time and time again. The set comes in an EVA foam storage tray. Also available in an 8-pc set (No. 43035).