High Quality Materials: High quality copper fixed nuts and pipes, with long service life, reliable performance, sturdiness and durability, and more economical installation. Main Use : anti-loosening nut for kitchen faucet. This horseshoe nut hot and cold water faucet clamp adopts an open, half-moon shape design, and is mainly used to fix the faucet. It can be directly inserted into the faucet pipe and tighten the screw to fix the faucet. Firm and Stable: The fixed part of the single-hole faucet is equipped with a stainless steel open joint and a rubber gasket, which is more stable. Fixing Tool: The half-moon nut has an opening length of 15mm and an inner diameter of 31mm, which is suitable for faucets with a hole. Cost Savings: A simple way to repair the faucet! Save time and money, easy to install and durable, no need to replace loose faucets.