RAM Short Double Socket Arm for 1" Ball BasesThe RAM-B-201U-A short double socket arm has a socket at both ends that acmodates 1" ball bases. RAM socket technology allows for almost infinite adjustment and perfect viewing angles. Dimensions: Overall Length: 2.38"Socket-To-Socket Length: 2" Material: Powder Coated Marine Grade Aluminum Ball Size: 1" Rubber Ball "B" Size Product : RAM MOUNT RAM SHORT DOUBLE SOCKET ARM FOR 1" BALL BASES Manufacturer : RAM MOUNT Manufacturer Part No : RAM-B-201U-A UPC : 793442120114