1.This shower valve is made of high-quality brass material, which is rust-proof and wear-resistant, and has anti-crack function to ensure its long-term stable operation, good sealing and durability. 2.The RP51919 shower valve kit includes a Phillips screwdriver, an Allen wrench, and an extension handle for easy, hassle-free operation. 3.Engineered compatible with Delta R11000 and R22000 shower valve bodies, including both integrated and individual diverter trims, ensuring a seamless replacement for your existing setup. 4.Designed for straightforward replacement,simply remove the old cartridge and insert the new one, no specialized tools or plumbing expertise required. 5.We provide 24-hour online service. If you have any questions, you can contact us at any time., Manufacturer: Carkio