Highly durable while being super lightweight thanks to the high quality alloys used together with its carbon side plates and CNC machined bits. The bigger chain rivet increases both the efficiency and ease of replacing the chain. Tools: Hex keys - 2 / 2.5 / 3 / 4 / 5 / 6 / 8mm,Torx key - T25.,Crosshead screwdriver - #1.,Flathead screwdriver - 4.5.,Chain rivet extractor - 9-12 speed., Tyre Lever,. Specification: Functions: 10.,Material: Carbon (body) / CrV (tools) / Aluminium (chain tool panel).,Size: 70 x 47 x 20mm.,Weight: 110g. .