  New Stainless Steel Rod Holders 1-3/4" . Angled flush mount, Soft black liner. Flange gasket with integral flip-up cap. Tube OD: 2". Tube ID: 1-5/8". Length under flange: 8". The width of the flange is 3.5 and the length of the flange is 4". The diameter of the mounting hole is 5/16". The distanaces from the center to center of the holes are: 2-1/4" and 3-1/4". The angle is 60 Degree. It comes with a plastic sleeve on the interior and an interior bottom pin to prevent spinning of rods |