A set of the hexagonal wrenches is used for operations with fixtures provided with the internal hexagonal seat. The wrenches are made of carbon steel. Hardness of the working part - 56-60 HRC. The hex head shape has a strong grip on the screws, which reduces manual effort Made of durable vanadium steel, making it a durable choice These hex wrenches are made to suit any work environment, ideal for residential or industrial use. The oxidation process makes them rust resistant and subject to minimal corrosion over a period of time It comes in different sizes, and it has a compact design that makes it easy to carry Items Included: 9x Allen Hex Key Set: (1.5,2,2.5,3,3.5,4,5,6,8,10mm).