The RAM Long Double Socket Arm for 1" Balls is the low-cost, low-hassle solution youve been looking for. Fabricated from powder-coated marine grade aluminum, this articulating arm boasts a pair of 1" ball sockets - one at each end - that perfectly integrate with numerous mounts and cases/cradles (sold separately) in the RAM Mount lineup. Each joint is independently adjustable for maximum versatility, although the unit employs a single control knob for the sake of simplicity. To use, just loosen the knob, connect the appropriate base and cradle/case, position as desired, and re-tighten the knob. Overall length is 6", and socket-to-socket distance measures 5 1/4". Weighs just 0. 53 lbs. An immensely adaptable accessory for a level of control thats sure to delight.