This adjustable 304L stainless steel clamp-on rod holder is made to fit the square rails found on pontoon boats. Complete with two protective liners fitting a 1" to 1-1/4" square rail that are rounded on the outside, allowing the rod holder to be adjusted to any angle above the water. The hidden left or right adjustment allows even more adjustment specification. Fits 1" to 1-1/4" square rail304L stainless steel tube lined with a black UV resistant PVC and fitted with a chrome zinc alloy adjustable clampAdjustable angle around the railAdjustable by 15 degree increments to the left or right9" tube with 1-5/8" IDIncludes 304 stainless mounting screws and hex key for assembly