Made of durable 304 stainless steel, this cup holder is built for the long haul.Designed for flush mounting (usually on the gunnel of a boat) this durable cup holder features a stepped design, which makes it good for holding standard 12oz. beverage containers, or larger cups or cans with coozies. The bottom has a rubber lining to cushion cups or cans. A 3/8" tube at the bottom provides drainage. If desired, a drain line (sold separately) can be attached to the drain tube to direct water away from areas underneath.Key FeaturesTwo-step design fits 12oz. beverage cans and larger items304 stainless steel for durability and lasting good looksIncludes mounting gasket, pad and drain tubeSpecificationsRequired Cutout:3 7/8"Outside Diameter:4 3/8"Depth:2 1/4"-3 1/8"