This is a multi-tool like no other. The Tülio Q/R Skewer Multi-Tool replaces standard 130mm and 135mm rear quick release skewers and provides an integrated 8-function sub-60 gram multi-tool. Each element of the Tülio was carefully selected to help you get home by providing the essential tools needed to get out of a jam. As an integral part of the bicycle, you can be sure you will NEVER forget a multi-tool again. Key features include a premium quick release skewer, ergonomic anodized 7075-T6 aluminum lever/tool body, heat-treated tool steel components protected by Taya GST 500 green corrosion resistant coating, and total skewer weight of only 100 grams. Eight tool functions include 4mm, 5mm, 6mm, and 8mm hex wrenches, flathead screwdriver, 1-11 speed compatible chain tool, and 3.23mm and 3.45mm spoke wrenches. Backed by a Pedro's two year warranty.