Durable, rust-free stainless steel construction Clamp-on system that adjusts to a range of rail thicknesses Plastic liner prevents metal-on-metal contact with fishing gear Rotates 360 and mounts to any rail angle Heavy duty teeth keep the rod holders in place Drain holes to prevent water build-up Features: * 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: 2inch. * 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. Package Includes: 1 fishing rod boat holder Listing and template services provided by inkFrog