Universal Compatibility – Specifically engineered as a 38mm pop-up sink plug replacement, this sprung basin plug fits most standard bathroom sinks and wash basins, ensuring a tight, wobble-free connection to your existing sink waste system. Note: Designed for basin or sink use only, not suitable for bathtubs or shower trays. Durable Brass Construction – Crafted with a heavy-duty solid brass body and a chrome-plated top, this bathroom sink drain plug resists rust, corrosion, and daily wear. The robust metal structure withstands constant water exposure, hard water deposits, and frequent pressing, delivering long-lasting performance and a neat, modern look. Tool-Free Installation – Replace your old sink plug in just a few minutes with no need for plumbers or special tools. Simply unscrew the worn unit from the waste, position this pop-up sink plug replacement, and screw it into place by hand. Designed for a secure and accurate fit, this plug features a top diameter of 3.8 cm (1.5 inches), inner diameter of 3.5 cm (1.38 inches), and total length of 6 cm (2.36 inches), with M16×1.5 threading and an M8 top fitting. These dimensions align with typical bathroom sink drain standards, reducing leaks and misalignment issues. Enjoy smooth, one-touch operation with the integrated spring mechanism: press once to close and hold water securely in the basin, press again to open and drain quickly. This bathroom sink plug replacement improves everyday usability, making washing, shaving, and cleaning more efficient while keeping your sink looking tidy and updated. Color: As Shown Material: Brass with chrome plating Package Contents: 2 × sink plugs Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement tolerance is ±1–3 cm.