The most lightweight, compact 16 function multi-tool with integrated chaintool available. Very handy as it fits in a jersey pocket, saddle bag, or even a ninja toolbox. Topeak Ninja 16+ Multi Tool Features 2, 2.5, 3, 5, 8mm allen wrenches 2.5, 4 (l-type) allen wenches 6 mm hex tool bit t10, t15, t25 torx wrenches #2 phillips, flat head screw drivers 14g, 15g spoke wrenches crmo steel chain tool* and chain hook chrome vanadium steel tools carbon fibre injection moulded body 6.1x3.3x1.9cm 92g