Review on Stainless Steel Drain Twist Plug for Boats - SeaSense (1-Inch) by Jeff Kern

I installed this drain plug in a 7/8" drain pipe in my below deck ski room to isolate it from the bilge. and it fits perfectly. I was concerned about what size to buy after reading many reviews, but this plug fits at least a 7/8" hole and also fits a 1" diameter hole well. If you take it off frequently then a flip top closure might be more appropriate, but in a place where it's only occasionally taken off, this works just fine. The quality seems great and I don't expect any problems. with corrosion different than what you would normally expect in a marine environment.