Feature Highlights: 1. Universal 38.5mm Fit & Height Adjustable - Features a 38.5mm diameter brass head. The plug's height is adjustable from approximately 6.6 cm to 9 cm and can be securely locked in place with the included nut for a perfect seal in various drain depths. 2. Stable Alignment with Guide Plate - Equipped with a long-side guide plate (4 wings) that centers the stopper in the drain pipe, minimizing wobble and ensuring stable, reliable positioning. 3. Easy Installation & Use - Simply insert the plug into the sink drain pipe. Its straightforward design allows for quick installation without any tools required. 4. Durable & Corrosion-Resistant Construction - Made from solid brass, rubber, and high-quality plastic. This combination ensures excellent rustproof and waterproof properties for long-lasting performance. 5. Low-Maintenance Design - The sturdy white plastic body and stainless brass head are easy to clean and maintain, designed for everyday reliability. Product Details: This universal sink stopper provides a secure and adjustable seal for standard 38.5mm (approximately 1.5-inch) drain pipes. The height-adjustable design with a locking nut ensures a custom fit for various sink configurations. Its four-wing guide plate stabilizes the plug to prevent tipping and improve sealing efficiency. Constructed from corrosion-resistant brass, durable rubber, and solid plastic, it is built to withstand daily use in wet environments. Ideal for creating a watertight seal in bathroom vanities, kitchen sinks, and other household drains. Specifications: Drain Plug Diameter: 38.5 mm Material: Brass, Rubber, Plastic Height Adjustment Range: Approx. 6.6 cm to 9 cm Features: Adjustable height, locking nut, 4-wing guide plate, rustproof, waterproof Compatibility: Fits standard 38.5mm (approx. 1.5-inch) drain pipes. Please verify your drain size before ordering.