[Application field] The DD ’ Installation of Installation D ’ Bike Star is used to install star nut that we find on the direction systems without threading 1-1 / 8in. [Exquisite design] Improved design, easier operation, long handle can avoid hand injury, use no rust, high precision, special screws are vulnerable parts, use of alternative solutions can considerably increase the lifespan of tools. [easy to use] using a durable steel screwdriver and an integrated guide, it can perfectly align star nut and adjust it to the right depth each time, then give it a blow with a rubber hammer and you are finished. [Bike repair tools] is an excellent portable tool for bicycle repair tools, home bicycle repairers and outdoor riding, this high -quality star nutvis A star nut 28.6 mm on a system without thread. [Solid materials] These tool adjustment tools in bicycle star are made of high quality steel and aluminum alloy, which are high hardness, durable and difficult to break, anti -rust and