RAM® U-Bolt Double Ball Mount with 1/4"-20 Threaded Stud - C Size Long

The RAM-231-D-202AU consists of a U bolt base for rails between .5" (12.7 mm) and 1" (25.4 mm) in diameter, a long length C-size double socket arm, and a 2.5" (63.5 mm) round plate with universal AMPS hole pattern and a removable 1/4"-20 threaded post in the center.