Easy to use: Drain stopper is the best alternative to bathtub drain, simply press to close and open the drain, making your bathing experience easier, matte black finish fits perfectly to your faucet and other parts of your bathroom decoration. EASY TO INSTALL: Includes putty gasket and rubber drain seal, no plumber's putty required for installation, and comes with simple illustrated instructions. You can install the bathtub drain plug easily and quickly, saving you a lot of time. Installation takes only 5 minutes. HIGH-QUALITY MATERIALS AND SHIP-RESISTANT COATING: Made from high-quality brass, zinc and ABS, the trim kit is designed for long-lasting durability with improved coating technology for improved chip resistance and can withstand longer periods of immersion in water. STANDARD DESIGN: Threaded adapter ring fits 1.5" and 1.4" drain boot sizes. This drain fits both coarse 1.5 inch wires and fine 1.5 inch wires. Screw the brass adapter ring onto the tub drain pipe, 1.5 inches in diameter, to accommodate 1.5 inch thick threads. The brass adapter ring screwed into the bathtub drain pipe has a diameter of 4.5 cm and can be adapted to a fine thread of 3.5 cm. Note: The data is All measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.