The RAM-201U-D consists of a long double socket arm that accommodates 1.5" C size ball bases, device holders, and adapters. With an overall length of 9.125", this is the longest C size RAM® double socket arm size and adds more reach to your favorite mounting solution. The easy to adjust knob allows for near-infinite adjustability. FEATURES * Provides an extended reach with an overall length of 9.125" and a socket-to-socket length of 8" * Attaches to any C size RAM® ball component, including mounting bases and device holders; double ball and socket technology allows for near-infinite adjustability of your RAM® mounting system * Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments * Backed by a lifetime warranty Technical details: - Ball diameter: 3.81 - Material: Aluminium - Product colour: Black Vendor information: - Brand Name: RAM Mounts - Warranty: 99