Topeak Alien II 31 Function Multi-Tool for Cycling RepairsThe Perfect Multi Tool To Get You Out Of Most Mechanical Situations. 31 Function Multi Tool In A Compact Design. Two Piece Body Separates Allowing Easier Use. All Tools Are Hardened Steel To Handle Years Of Use. Included Is A Nylon Carry Bag. The Chain Tool Is Compatible With Single And Multi Speed Chains Up To 12 Speed, Not Including Campagnolo 11 Speed Hollow Pin Chains. The Topeak Alien II 31 Function Multi Tool is an essential accessory for