Marine East All Purpose Grommet Pole Holders Soft, durable grip firnly, holds and cushions rods. Eliminates rod damage and rattling while underway. Pliable radial grips flex to fit any size rod. Will not damage guides. Available in several sizes for varied installations. Easy to install. Dimensions: O.D. 4.00" I.D. 3.00" Thickness: 3.75" Color: White