Pedro's Y-Style Hex Wrench Description: The Pedro's Y-Style Hex Wrench puts the most commonly used hex wrenches into one convenient tool. This tool has been updated with a new more ergonomic plastic body to make adjusting fasteners much more enjoyable, and the hardened S2 tool steel ensures this tool will last a long time even under heavy bike shop use. Features: Hex sections are made from hardened premium S2 tool steel for strength and durability Refined body shape utilizing a rugged plastic construction for improved ergonomics and long life Features 4/5/6mm hex bits which fit the most common hex head fasteners found on bicycles