This is the Park Tool AWS-10 Metric Folding Hex Wrench Set. This set combines the most commonly used hex wrench sizes into one convenient fold-up tool, eliminating the need for a mess of loose tools. Its multi-position composite handle is comfortable, lightweight, slip-resistant, and 40% stronger than steel handles. Features: Includes 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, and 6mm hex wrenches Wrenches made from industrial tool steel, through hardened and tempered for long life Chamfered tips for a perfect fit