The 17-in-1 multi-function bicycle tool with the case is a must-have bike repair toolset for the cyclist riding short or long distances. Its range of high-quality steel blades and tools includes 7 hex key wrenches: 2/2.5/3/4/5/6/8 mm, tire lever, Phillips and flat-head screwdrivers, spoke wrench, 3 box-end wrenches: 8/9/10 mm, serrated knife, bottle opener, and a chain breaker.