The 9-piece colored ball end hex key driver (Allen Wrench) set is sold by Hobby Bolts and features a range of metric sizes from 1.5mm to 10mm. Made of color-coded chrome-vanadium steel, this set includes a variety of vibrant colors for easy identification. The ball end design allows for improved access in hard-to-reach areas, making it a versatile tool for various home and workshop projects. Perfect for the Radio Control hobby.

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