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Short Arm Hex KeysHillman Item #335006
Easily tighten and loosen hex screws with a Short Arm Hex Key from Hillman. A hex key, also known as an Allen key, is an L-shaped tool used to drive bolts and screws that have a hexagonal socket in the head. Use this tool to assemble bicycles, adjust handlebars, the stem, and seat height (on certain bikes), remove pedals and more.