Check the listing for details. RAM-B-201-201U-C RAM Double Socket Arm Adapter with Medium & L.... Color: Black, Condition: New. Listed at 67.94 USD. RAM Double Socket Arm Adapter with Medium & L... RAM-B-201-201U-C Genuine RAM Products! The RAM-B-201-201U-C consists of a standard-length double socket arm, long-length double socket arm and double ball adapter that joins the two arms together. 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.product dimensions Overall Length: 10.65 INCHES socket to socket length 9.92 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumpackaging type Poly BagWeight 0.94 lb product dimensions Overall Length: 10.65 INCHES socket to socket length 9.92 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminum packaging type Poly Bag Weight 0.94 lb