3piece set of popup waste plugs for bathroom sinks. The kit includes three brass plug bolts, so you can a damaged popup bolt and have two backups. Key specs: Overall length: 54 mm Fully presented length: 44.2 mm screw diameter: 7.5 mm Bottom screw diameter: 15.5 mm Weight: 80 g Please compare these dimensions with your existing hardware before . Easy installation: Remove the chrome cap, insert the brass plug bolt, and handtighten. No tools required; quick, clean replacement. Material and durability: Made from quality brass; corrosion resistant, rust resistant, and forms a tight seal. Compatibility: Fits most standard bathroom sink popup waste assemblies. Check dimensions to ensure compatibility. Use scenarios: Replacing a corroded or jammed popup bolt under a bathroom sink Keeping a ready spare for maintenance during a remodel or routine servicing Upgrading to brass for improved sealing and longevity on a frequentuse sink