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.