Ram - Rail Base With Zinc Coated U-Bolt & 1 Ball For Rails From 0.5 To 1.25 In Diameter | RAM-B-231ZU IMGALTCHK Passive Noise Reduction Rating (NRR)

Passive Noise Reduction Rating (NRR) of 24 dB for cockpit protection

TSO-C139a Approved

and won't mark up your handle bar

5mm music input jack for iPods

and windows

Ram - Rail Base With Zinc Coated U-Bolt & 1 Ball For Rails From 0.5 To 1.25 In Diameter | RAM-B-231ZU IMGALTCHK Passive Noise Reduction Rating (NRR)Ram Rail Base With Zinc Coated U Bolt & 1 Ball For Rails From 0. 5 To 1. 25 In Diameter RAM B 231ZU The RAM B 231ZU consists of a 1" rubber ball designed to sit at right angles to the mounting rail. The zinc coated metal u bolt accommodates rails in diameter from 0. 5" to 1. 25" in diameter. Included are black cover caps to be placed over the exposed ends of the u bolt and a composite adapter that can narrow the rail to a minimum width of 0. 5".