【HIGH-QUALITY】 Hex Keys is Made of Chrome Vanadium Steel (Better strength than carbon steel), with a Black Oxide Surface After Heat Treatment, Which is Durable. 【STRONGER TORQUE FORCE】The L-shaped design provides additional flexibility for the long end and additional advantages for another short end fastener. The additional torque handle can enhance torque performance during loading and unloading of fasteners. 【ALLEN WRENCH & SCREWDRIVER 】Including 35 sizes: (15) Standard SAE 0.028, 0.035, 0.05, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8” and (17) Metric 0.7, 0.9, 1.27, 1.3, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 10mm. (1) Torque Handle. (2)L-Shaped Screwdrive PH1 SL3/16 and PH2 SL1/4. 【PRECISION MACHINING】The precision machined and chamfered hexagonal ends allow for tight and smooth insertion of fasteners, reducing wear and can withstand prolonged daily use to ensure maximum durability and protect your hardware from rounding. 【STORAGE BOX】Each Wrench