Allen Key Bit Set Hakkin 12Pcs Ball End Allen Hex Key Set S2 Steel 1/4 Hex Shank

Premium S2 Steel Hakkin Ball End Hex Bits are made of high quality S2 Steel, high hardness, wear resistance. Heat treated for durability, hardness reaches 65RCH. Manufacturer: Hakkin. With Clear size markings, you can choose the size you need faster.

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