SWANLAKE 32PCS Hex Key Set, Allen Wrench Set Inch/Metric MM(0.7mm-10mm) SAE(0.028"-3/8)

1.Made of Hardened treated Chrome Vanadium Steel Alloy (Cr-V) with black-oxide finish., 2.Contains 15pcs long reach keys ,15pcs high leverage short keys and 2pcs additional extension bars., 3.Long arm wrenches make extra reach and more torque., 4.Precisely-sized, chamfered ends insert smoothly into fastener head, reduce wear., 5.The sizes marked on each wrench for fast size selection and sturdy carrying case for easy organization.