🏠 Standard 1-3/4" drain opening: fits sink hole diameter 1-5/8" to 2-5/16". max sink thickness 2". 🏠 Ideal for any sink with an overflow hole. 🏠 Guaranteed 50,000 smooth bounce times. 🏠 The sturdy brass metal structure ensures corrosion resistance, rust prevention, and maximum durability. 🏠 Four layers of superior finishes surpass industry durability standards, will not fade over time. 🏠 Easy to install: drain, thin rubber washer, thick rubber washer, hard washer, drain nut, the tail piece are all included. please follow the installation guide to ensure no leak. 🏠 Limited lifetime warranty for all mechanical parts, 5 years warranty for finishes.