s: High quality copper fixed nuts and pipes with long service life, reliable performance, sturdiness, and durability for more economical installation. Main Use: Anti-loosening nut for kitchen faucet. This horseshoe nut hot and cold water faucet fastener features an open, half-moon shape design, primarily used to fix the faucet. It can be directly inserted into the faucet pipe and secured by tightening the screw to hold the faucet in place. Firm and Stable: The fixed part of the single hole faucet includes a stainless steel open joint and a rubber seal for added stability. Fixing Tool: The half-moon nut has an opening length of 15mm and an inner diameter of 32mm, compatible with single-hole faucets. Cost Savings: A simple solution to repair a loose faucet, saving time and money. Easy to install and durable, eliminating the need to replace loose faucets. Specifications: Material: Stainless Steel Size: Inner diameter 31mm Quantity: 1 set