RAM Double Socket Arm with Locking Knob for C Size 1.5" Balls - RAM-201LU

The RAM-201LU, standard double socket arm with locking knob, has a socket at both ends that accommodates 1.5" ball bases. A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection. This socket technology allows for almost infinite adjustment and perfect viewing angles. The locking knob, includes a brass 1/4"-20 thread; this allowing you to disengage the screwing of the knob. Once you have set your mount in the location you need, you can lock it in place and feel safe that your mounted device will stay right where you left it. Specs & Features Dimensions: Overall Length: 5.625"Socket-To-Socket Length: 4.5" Material: Powder Coated Marine Grade Aluminum Ball Size: 1.5" Rubber Ball Size Note: The "U" in the part number reflects product packaged in poly bag. Weight:0.9 lbs. Videos RAM Double Socket Arm with Locking Knob for 1.5" Ball Bases RAM® Mounts: Ball Sizes & Weight Capacities Compatible Bases RAM 2.5" Round Plate with AMPs Hole Pattern & C Size 1.5" Ball - RAM-202U RAM Triple Suction Cup Base with 1.5" Ball - RAM-224-3U RAM 2.43" x 1.31" Diamond Base with 1.5" - Ball - RAM-238U RAM 3.68" Round Base with 1.5" Ball - RAM-240U RAM C Size 1.5" Ball on Rectangular Plate with 1.5" x 2" 4-Hole Pattern - RAM-202U-225 RAM Rail Base with "Rust-Proof" Stainless Steel U-Bolt & 1.5" Ball - RAM-231U RAM 3.6" X 2.1" 35mm x 75mm VESA Base with 1.5" Ball - RAM-2462U RAM 1.25" to 1.875" Rail Clamp Base with 1.5" Ball - RAM-271U-12 RAM Medium Tough-Claw™ with 1.5" Diameter Rubber Ball - RAP-404U RAM 6.25" x 2" Universal Electronics Base with 1.5" Ball - RAM-111BU Components KNOB W LOCK & 5/16"-18 BRASS HOLE C SIZE - RAM-KNOB5LU