The Capri Tools 3/8 in. Drive Torque Adapters extend the reach for your torque wrench, allowing you to tighten to specified torque fasteners in hard-to-reach places. Each torque adapter is 2 in. long from center to center, making it easy to recalculate the torque setting required. The adapters come with 12-point box end which gives you more angles and tighter swing. Our WaveDrive box end design transfers torque uniformly and prevents damaging and rounding of the bolt. MaxChrome plating, impeccably polished and finished with careful application of chrome protective plating, ensures durability and corrosion resistance. Large stamped sizing won't fade over time. 10-piece metric set: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm. Comes in our own spill-resistant Mechanics Tray for easy organization and storage. Tray dimensions: 7-1/2 in. (L) x 4-3/8 in. (W) x 1-1/8 in. (H), fits comfortably in most tool chests and cabinets.