The Birzman E-Version 15 Mini Multi Tool is a simple unobtrusive 15 function multi tool that is hard-wearing and constructed to get you back in the saddle quickly. All Birzman multi-tool bits are forged and CNC machined. This technology provides benefits including weight saving by using less material, increased strength, a centre tool pivot and a neater finish over the extruded wrapped tool bits usually seen on multi-tools. Tool bits are made from chrome vanadium. The side plates and bolts are made from stainless steel along with the Chain Tool that also includes spoke keys. Tools: Hex keys - 2 / 2.5 / 3 / 4 / 5 / 6 / 8mmTorx key - T25.Crosshead screwdriver - #1.Flathead screwdriver - 4.5.Chain rivet extractor - 9-12 speed. Spoke Wrenches - 3.2 / 3.4 / 4.3 / 4.4 / Mavic Specification: Functions: 15. Material: Aluminium (body) / CrV (tools) / Alloy Steel (chain tool). Size: 69 x 50 x 16mm.Weight: 128g.