Material:-    Rubber Colour:-        Black Fastener Type:-      Flat Washer HIGH QUALITY: Our bolt kits are made of high quality material, are extremely strong and durable, anti-oxidation. It has more texture and more exquisite workmanship than the material in the market. Stable performance and long service life, you can use it for a long time with confidence. PROFESSIONAL MANUFACTURING: Each one is finely machined, the production process out of the quality is guaranteed. Professional manufacturing, high reliability. SIMPLE INSTALLATION: Easy to install, and the whole process can be completed in just a few minutes. According to strict standard, easy to use. BUY WITH CONFIDENCE: If you have any question please feel to let us know, we will do our best to help you solve the problems. 25 mm