These VANSIHO Alloy Bike Cable Guide Clip Kits are made of high quality aluminum alloy, which is durable and not easy to deform. They are suitable for mountain bikes, road bikes, BMX bikes, and other bikes. The kits include 6 sets of base+clip, which are enough for your various needs. The base is designed with a groove, which can fix the cable, and the clip is designed with an elastic band, which can hold the cable in place. The kits are easy to install and use, and can help you organize your cables neatly and avoid tangling. They are also suitable for different types of cables, such as brake cables, shift cables, and derailleur cables.