Materia:This Handle protector is made of aluminum alloy , which has a certain hardness and impact resistance. Protect:Reinforced hand guard efficiently protect hands while driving reduce hand or finger fatigue. Practical :Handlebar lever guard practical and convenient, high reliability and stable performance. INSTALLATION INSTRUCTIONS:This product can be installed without modification, easy installation without cumbersome tools, fast and convenient. After-sales service:If you have any quality problems or installation questions after receiving the product, please feel free to contact our after-sales team. We will solve the problem for you as soon as possible to ensure your satisfaction., Manufacturer: LPUYTRB