70 Series Screwless Flush Mount Rod Holder - 0 Degree - Stainless Steel - Cast Bottom - Black Liner - BoxedThese flush mount rod holders are made of 316L stainless steel and have a wide, low-profile cap that improves the look of any boat and provides outstanding mounting strength.Features:316L stainless steelFits 2-3/16 in. hole diameterCast models feature a ½ in. drain holeNo logo on the cap for a sleek low profileThe liner runs the full length of the tubeIncludes a backing plate and installation nutInstallation requires Model # 53679 Installation SocketSpecifications:Degrees: 0 degreesBottom Style: CastLiner Color: BlackInner Diameter: 1-5/8 in.Outer Diameter: 2-1/8 in.Cap Size: 4-1/2 in. long x 3-5/8 in. wideTube Length: 9 in.