Turbulent Universal Bike Multitool - The Ultimate 23 in 1 Portable Sized Tool Kit with Chain Breaker, Allen Keys, Spoke Tool and More - Heavy Duty Multi Function Bicycle Repair ToolsOUR 23 BUILT IN TOOLS: - Hex Wrench (Allen Key) 2 / 2.5 / 3 / 4 / 5 / 6 / 8 mm - Philips 1 and 2 - Flat Screwdriver - T25 Screwdriver - Speed Chain Breaker 9 / 10 / 11 ..