Crank Brothers M19 Tool This compact piece of hardware contains 19 very important tools. These high tensile steel multi-tools feature a precise fit and finish and side grips for a secure handhold even with gloves on. Never leave for a ride unprepared if you have the M19 tool with you. Features6061-T6 aluminum frame6050 high tensile steel tools8/9/10 speed chain tool#0, 1, 2, 3 spoke wrenches2, 2. 5, 3, 4, 5, 6, 8mm Allen wrenches Screwdrivers: Philips #1, #2, and Flat #2Open Wrench: 8mm, 10mmt-25, t-10 torx Approximate weight 175 grams | Crankbrothers | M19 Tool Midnight Black