Pontoon Square Rail Adjustable Clamp On Rod HolderAll the same great features as the 304L stainless adustable clamp-on (55105A) with a clamp made to fir the square rails found on pontoon boats. Each rod holder comes with 2 protective liners, one to fit 1" and one to fit 1-1/4" square rail. The liners are round on the outside allowing the rod holder to be adjusted to any angle above the water, and the hidden left or right adjustment allows even more adjustment choices. Our clamp fits 1" to 1-1/4" square railMade from 304 stainless steel tube lined with a UV resistant black PVC and fitted with a chrome zinc alloy adjustable clampAngle around the rail is infinitely adjustableAngle to the left or right adjusts in 15 degree increments9" tall tube with 1-5/8" IDIncludes 304 stainless mounting screws and the hex key needed to make the angle adjustment and to tighten the clamp in place.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.