536800S – Flush Mount Rod Holder – 0 Degree – Swivel – 10.5 Deep. The larger 80C series models feature a beautifully rounded cast bottom end with a 1/2 Pipe Threaded Drain Hole. Use them when the bottom of the rod holder must have a decorative appearance. They feature a super tough cast stainless steel gimbal bar designed to hold up to the punishment of downriggers or heavy tackle. A Black vinyl liner protects rods and is keyed with the gimbal so the liner stays in place. The rod holder has no logo on the cap for a sleek low profile. Material – 316L Stainless Steel. Bottom Style – Swivel. Liner Color – Black. Inner Diameter – 1-7/8. Tube Length – 10-1/2. Cap Size (L x W) – 5-1/8″ x 4-1/4″. Hole Size – 2-1/2.