Expanding Drain adjustable plug in black, designed to seal boat drain apertures; metric size shown first.

• Nominal diameter 22 mm (0.87 in) - suited to matching drain bores
• Expanding plug design - provides a secure seal within drain apertures
• Adjustable mechanism - accommodates slight bore variations for a snug fit
• Black finish - unobtrusive appearance that blends with fittings
• Compact, low-profile form - minimal protrusion once installed
• Simple installation - expand and lock for immediate sealing
• Suitable for boat drain applications - reliable for routine use

Fits nominal drain bores where an expanding plug is required; adjust until secure and remove easily for maintenance.