Durable metal popup waste plug for basins sinks and tubs. Spring mechanism with screwthread push up and easy on off action for dependable drainage control. Designed as a direct replacement part for standard basin popup plugs with proven compatibility and performance. Compatibility: fits most bathroom basins, sinks and bathtubs Function and control: springassisted push pop up with screwthread action for smooth reliable operation Size and installation: screw 8 mm bottom screw 16 mm; easy to screw on and off Construction: durable metal construction for long life and corrosion resistance Replacement ready: ideal as a replacement for worn or failed popup waste plugs Use scenarios Replacing a wornout popup in a bathroom basin or pedestal sink to restore sealing and drainage Upgrading a bathtub drain to improve control over water level and ease of use Installing during a bathroom remodel where a standard popup is required and existing hardware matches the screw sizes