The lezyne crv 19 multi tool features the same tool options as the stainless series models including the forged and cnc machined stainless chain breaker that fits both nine and ten speed chains 2 25 3 4 5 6 and 8mm allen keys tyre lever with intergrated 10mm open end disc brake pad expander and a bottle opener also included is 3 spoke wrenches 1 mavic spline 2 standard square this tool is about as close as you will get to a complete workshop whilst on the trail lezyne crv 19