Features compact and functional multi tool from topeak 2 engineering grade plastic modular tyre levers 18 functions includes self tightening tool secondary chain link fence air release button engineering grade plastic body integrated crmo chain tool chain tool is compatible with single and multi speed chains up to 12 speed not including campagnolo 11 speed hollow pin chains 2 phillipsflat head screwdrivers 14g15g spoke wrenches chrome vanadium steel tool material steel wire chain hook t25 to