RAM® Handlebar U-Bolt Mount with 1/4"-20 Threaded Stud - Short RAM-B-138 the RAM-B-231ZU consists of a

the RAM-B-231ZU consists of a 1" B size rubber ball attached to a zinc-coated metal U-bolt base

an 18 inch NPT metal pole

this bracket supports both portrait and landscape placement

Up to 2 balls may be attached to the same plate for multiple applications

RAM® Handlebar U-Bolt Mount with 1/4"-20 Threaded Stud - Short RAM-B-138 the RAM-B-231ZU consists of aThe RAM B 231Z A 366U consists of a zinc coated u bolt base, SHORT double socket arm and 1" ball, connected to a round plate with 1 4" 20 camera thread. Included in this package is hardware that will accommodate rails from 0. 50" to 1. 25" in diameter. The base includes black cover caps to be placed over the exposed ends of the u bolt. The composite rail adapter can narrow the rail to a minimum width of 0. 5". The male 1 4" 20 threaded steel stud will