The bathtub drain set is designed for use with bathroom and kitchen sinks, allowing you to easily seal the drain to retain or release water. Made of all-metal brass material, it is rust-resistant and corrosion-resistant for long-term use. The sealing ring is constructed from high-quality silicone, offering excellent durability and improved sealing performance. Specifications: - Thread type: M8 - Overall size: 66mm - Sealing ring diameter: 39mm Easy to install and clean: Simply insert the sink stopper into the drain hole and rotate to secure it with the stopper bolt. This pop-up drain stopper is suitable for bathtubs, bathroom sinks, and kitchen sinks, helping prevent debris from entering the plumbing system. Product details: - Stopper color: Silver - Stopper material: All-metal brass - Thread specification: M8, outer diameter 66mm Package includes: 1 x Universal bathtub stopper Note: Manual measurement may result in a 1–2mm size variation.