Features: Used for fixing the installation of hot and cold faucets, ensuring the stability and reliability of the faucet, and preventing water leakage and loosening. Easy to install, no need to purchase additional accessories. Made from stainless steel or coppers material, it has excellent corrosion resistance and high temperature resistance, and can be used for a long time. It can be adjusted as needed to meet the installation needs of different thicknesses of countertops or wall. Suitable for users who need to install faucets in their homes, providing convenient and practical accessories to ensure the stability and fixation of the faucet. Specifications: Material: Stainless Steel or Coppers Style: Stainless Steel Single Poles/Stainless Steel Double Poles/All Coppers Single Poles/All Coppers Double Poles/Stainless Steel Single Poles Set/Stainless Steel Double Poles Set/All Coppers Single Poles Set/All Coppers Double Poles Set Size: As Shown In The Picture Package Includes: 2set Faucet Mounting Nut and Washer Kits note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.