Screwless Flush Mount Rod Holder - 0 Degree - Black Liner - No LogoFeatures: id='isPasted'>316L Stainless steel1-5/8" Inner diameter2-1/8" Outer diameterFits 2-3/16" hole diameterCap size 4-1/2" long x 3-5/8" wide9" Tube length1/4" wide x 1/2" tall gimbal barCast models feature a 1/2" drain holeNo logo on the cap for a sleek, low profileThe liner runs the full length of the tubeEach rod holder includes a backing plate and installation nutInstallation requires Model # 53679 Installation Socket