Heat treated chrome vanadium steel blades with black oxide finish for durability and added corrosion resistance. Non-slip T-Handle with ergonomic design provides greater torque to loosen and tighten fasteners easily. Long arm allen key set is suitable for narrow space use. Shorter hex key end in the handle is suitable for high torque applications. Convenient storage case makes each hex key to keep organized and easy to store. Size markings are printed on the hex key for easy identification. A chamfered edge helps guide the wrench for a smooth, easy entry of the hex key. Size included: 1/8", 9/64", 5/32", 3/16", 1/4", 5/16", 3/8", 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm. Perfect for basic home repair, automotive repair and mechanical maintenance. TOPLINE 14-Piece Metric&SAE T-Handle Allen Wrench Set