Feature: --The tub stopper is made of copper. They are rust resistant, strong and shiny for a long time and can be used between -40°C and +120°C. --Our universal tub stopper has a diameter of 66mm and is suitable for sinks with 36-39mm drain holes. --Strong and durable brass rebound core has good rebound and rebound force, which can quickly seal the sink hole or drain. --The pop-up click socket can be split into 2 parts and they can be easily connected and cleaned. Insert the sink stopper into the sink hole, then rotate it to secure it with the stopper bolt. Specification: Material: Brass with chrome Types: Rebound Color: Sver