Snap-Tite Expandable Neoprene Rubber Plug with Brass Cams and Steel Hardware, 3/4" x 11/16"

It's an expandable plug. It works fine. It expands to fill the hole with enough expansion to seal and not leak.

Trying to find a replacement plug that fits a cocktail sink drain is very difficult, but this one did the trick. We got the 1 3/4" version, which adjusted / expanded to the correct sizing for the sink drain. Perfect. It's a little spendy, but we ended up buying another one for the other side of the double cocktail sink because it worked so well.

Too expensive for a brass plug. Found for 1/3 the cost.

The plug is an exact fit as specified. It could be built a bit sturdier, but for my use it's fine. I only remove it every month or two.

Perfect fit, as expected.

Works as it should and is well built.

Our new kayak had a drain plug which wouldn't hold snugly in its port. This plug exceeds original equipment performance.

Worked great sealed the hole that just a plastic plug could not