An economical hex key wrench set, heat-treated steel for improved hardness.Ball-end wrenches of this set help with easy access and less slippage.Ball-end wrench sizes only for 4 mm, 5 mm and 6 mm.Includes durable plastic wrench holder.Includes these hex wrench sizes: 2 / 2.5 / 3 / 4 / 5 / 6 / 8 mm.
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