X-Haibei 2 Marine Boat Rail Clamp Fishing Rod Holder Stainless Steel Clamp for Rail Mount 1-1/4" to 2" * Clamp-on feature eliminates drilling rail and simplifies relocation,Simple installation, Mounts on vertical or horizontal rails *Our clamp fits any rail between 1 1/4" OD to 2" OD. * 9" tall tube with 1-5/8" ID O.D. tube: 2". * Made from 304 stainless steel high polished stainless tube with a UV resistant black PVC and fitted with a chrome zinc alloy adjustable clamp.Angle from the rail adjusts in 15 degree increments.The clamp on rod holder has draining holes in the bottom. * Black plastic liner that would normally scratch or mar the fishing rod surface.