Diverse by name and functionality, the Diversity 17 Multi Tool is equipped with a selection of essential tools for any mechanic or tinkerer\'s pocket.Boasting an impressive 17 individual functions for a myriad of uses, the Diversity 17 Multi Tool is equipped for chain maintenance, bolt tightening and tube changing, as well as aiding with tyre inflation thanks to the included CO2 air adaptor.As versatile as it is compact, the high-polymer constructed body houses the chrome-vanadium tools snugly and safely for simple storage and immediate deployment. The Birzman Diversity 17 Multi Tool is a pocket-friendly and multi-functioning tool fir for any kit bag or workshop. Functions and Tools: Hex keys - 2/2.5/3/4/5/6/8mm.,Torx key - T25.,Crosshead screwdriver - #1.,Flathead screwdriver - 4.5.,Chain rivet extractor ( 8-12 speed, 3/32 \"single speed ).,Spoke wrenches - 3.2/3.4.,Chain hook.,Tire Lever Set.,CO2 valve head ( Presta/Schrader ).,. Specification: Functions: 17.,Material: High polymer (body) / CrV (tools) / Alloy Steel (chain tool).,Size: 100 x 46 x 24mm.,Weight: 178g. .