• Leak-proof Multilayered Design:Rubber Scupper Plugs with six-layer coils create watertight seals in boat scupper drains (0.75"-1.25"), preventing leaks in livewells, boats and marine vessels.
• Instant Installation: Designed with Ring Pull,the Boat Drain Scupper Plugs can be insert or remove quickly without any tools, works in seconds, save time and labor.
• Marine-Grade Rubber Construction: The Push-in Plugs adopts Weather-resistant rubber material which withstands saltwater, UV rays, and extreme temperatures (-40F~210F), ideal for harsh boat scuppers and drainage systems.
• Smart Size AdaptationSelf-adjusting coils cover 0.75"-1.25" drain holes (e.g., boat scuppers, livewell outlets) with military-grade 0.05" precision. Experts Recommend: Use a vernier caliper to measure your existing drain plug or hole for guaranteed fit.
• Universal Drain Hole FitAdjustable coils adapt to 0.75"-1.25" holes, compatible with boat scupper drains, kayak cockpits, livewell outlets, and fishing boat bilges.