SWANLAKE 32PCS Hex Key Set, Allen Wrench Set Inch/Metric

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.