Feature Highlights: 1. Universal 38.5mm Fit – Designed to securely seal standard 38.5mm drain pipes, perfect for most bathroom and kitchen sinks. 2. Height Adjustable & Secure – Easily adjust the plug height from about 6.6 cm to 9 cm and lock it in place with the included nut for a custom, snug fit. 3. Stable & Anti-Wobble Design – The four-wing guide plate helps center the stopper in the drain, reducing movement and ensuring a steady seal every time. 4. Durable & Waterproof Build – Made with a solid brass head, rubber seal, and white plastic body. Rustproof and waterproof for long-lasting performance. 5. Easy to Install & Maintain – Simply insert into the drain and tighten—no tools needed. Wipes clean easily and stays looking fresh. Product Details: This adjustable sink stopper combines a brass head, rubber ring, and sturdy plastic to create a reliable, leak-free seal for home sinks. Its height can be adjusted to match your drain depth, and the four-wing guide keeps it stable during use. Ideal for bathroom basins, kitchen sinks, and more, it installs in seconds and requires minimal upkeep. Specifications: - Diameter: 38.5mm (brass head) - Height Adjustment Range: Approx. 6.6 cm – 9 cm - Materials: Brass, rubber, plastic - Includes: Adjustable stopper with locking nut - Use: Bathroom sinks, kitchen sinks, and similar drains Please verify your drain size before purchasing. This stopper fits 38.5mm drains.