Deep Blue Marine Stainless Recessed Cup Holder -
This 316 polished stainless steel recessed cup holder looks as good as it works. Fits a 3 1/2" diameter hole and replaces most plastic versions. Padded bottom stops rattling and has a 3/8 hose barb on bottom to connect a drain hose. 3 1/4" deep, add 1" for drain for a total of 4 1/4" deep.