General description This Universal Sink Drain Plug with Anti-Clog Strainer is a versatile stainless steel product designed for various types of sink drains. It features a spring core and is suitable for drain holes with an inner diameter of 34-38 mm, making it a practical choice for kitchens, bathrooms, and bathtubs. Technical specifications Material: High-quality stainless steel and thickened copper Inner diameter of sink strainer: 33 mm Compatible drain hole diameter: 34-38 mm Installation No tools required for installation Can be easily installed by hand Simply remove the old spring core and replace it with the new one Includes a rubber ring for larger diameter compatibility Usage Features a built-in anti-blocking basket to collect hair and prevent clogging Offers a 2-in-1 function as a bathtub stopper and strainer Switch between water retention and drainage by pressing the top stopper