RAM Rail Clamp Base with 1.5" Ball For Rails 1.25" - 1.875"

Clamp base will attach to round rail, pipe or post Features: 1.5" rubber ball connected to marine grade aluminum casting with a backing plate Includes 2 stainless steel bolts, nuts and cover caps Fits most RAM 1.5" ball compatible socket arms - C size Clamps to round rails from 1.25" - 1875" in diameter - works horizontally or vertically Made in the USA Included Hardware: (2) 1/4"-20 x 1.5" Screws (2) 1/4"-20 Nylock Nuts (2) Rubber Caps Brand: RAM MountsPart number: RAM-271U-12Warranty: Manufacturer's lifetime warranty