The RAM-B-230U double ball adapter consists of two attached B size 1″ rubberballs that allow the connection of two B size double socket arms. When measuredfrom ball center to ball center, the length is 1.75″. The perfect adapter for connecting two B size RAM? Mounts double socket arms for extra extension or articulation Consists of two B size 1″ RAM? rubber balls connected by a .75″ length post Post is made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments Backed by a lifetime warranty
