Ronstan Boom Hanger - 80mm 3-1/8" Internal Width. . Established by using some of the most sturdy and dependable resources in existence these Anchor & Docking via Ronstan can provide something that gives you numerous years of dependability. Ronstan has been making superior quality merchandise for a number of years and the Ronstan Boom Hanger is their very own manner of demonstrating how much they are concerned. At OpticsPlanet we ensure that it is our responsibility to purchase the perfect solution for all your preferences and featuring the Ronstan Boom Hanger is something that we are happy to offer. Specifications for Ronstan Boom Hanger: Manufacturer: Ronstan Color: Black Package Contents: Ronstan Boom Hanger Ronstan RF1047: Boom Hanger - 80mm 3-1/8" Internal Width