Special alloy based on spring steel, exceptional elasticity coupled with with high hardness. Product Type : Hex Key Set. Hex Key Sizes: 1.5 mm, 2.5 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm. RainBow key L-wrenches, long, with ball point, set in a practical plastic holder.
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