❤『 High-quality Material 』Made of high-quality metal and plastic material with the features of strong, sturdy and durable, has a long using life.Polymer-coated, stainless steel inner cable reduces the sliding resistance to achieve lighter and quicker operation and is rust resistant. | ❤ 『 Easy to use 』The main magnet can be used to pull another magnet through a frame tube.and the flexible magnet is used to retrieve another magnet tip from within the frame. | ❤ 『Application 』Suitable for most types of bicycles such as mountain bikes, road bikes, and so on.. Suitable for easy threading in carbon fibre frame, titanium alloy frame and aluminium alloy frame, including variable speed core pipe, brake core pipe and disc brake oil pipe. | ❤『 Professional 』Professional internal routing tool set,Strong magnetic,suitable for all non-steel frame,it can be used many times,Definitely a must if you are struggling with the routing on your bike. | ❤ 『 More convenient 』Cable routing tool in the frame greatly improves the efficiency of the internal routing. With the tools, it can meet your needs and it is convenient for you to use.