About This Products Contained: The Ceramic Cold/Hot Cartridge Replacement Parts for Brass 1-001 & Brass 1-002, Compatible With Newport Brass Faucet Cartridge, supplied with a Phillips screwdriver, an Allen wrench and 4 screws Quality Materials: Our Brass 1-001 & Brass 1-002 Cold/Hot Ceramic Valve Cartridge, Crafted From High-Quality Brass, It Can Achieve Rust Prevention, Wear Resistance, And Crack Prevention To Ensure Long-Lasting Use Temperature and Leakage Prevention: Brass 1-001 & Brass 1-002 Cold/Hot Ceramic Valve Cartridge Adopts Sealing Structure, Can Effectively Prevent Water Leakage, Ensuring a Worry-Free And Consistent Performance Even In High-Temperature Environments Easy to Install: This Brass 1-001 & Brass 1-002 Valve Cartridge is Designed To Be User-Friendly, Easy To Install, And Does Not Require Special Tools, Saving Your Time and Effort, while the product Suitable for Ceramic Cold/Hot Valve Cartridges of Faucet (E.G. Brass 365 And 850c) Superior Customer Support: Rest Assured That Our Team is Dedicated To Providing Prompt And Effective Support For Any Issues You May Encounter With The Brass 1-001 & Brass 1-002 Cartridge Set, Warranty period is one year