RAM Stainless Steel U-Bolt 1" Ball Base for Rails 0.5" to 1" in Diameter

Features: Rust proof stainless steel u-bolt - fits rails from 0.5" to 1" in diameter 1" rubber ball fits RAM B size socket arms Includes black cover caps to be placed over the exposed ends of the u-bolt  & composite adapter to narrow rail size Constructed of powder coated marine grade aluminum Holds up to 2 lbs. Made in the USA   Included Hardware: (1) 1/4"-20 U-Bolt for .5" - 1" Rails (2) 1/4"-20 Nylock Nuts (2) Rubber Caps (1) U-Bolt Spacer   Brand: RAM Mounts Part number: RAM-B-231U Warranty: Manufacturer's lifetime warranty