Check the listing for details. RAM-101U-D RAM C Size 1.5" Ball Mount w/ Long Double Socket Arm & 2 2.5" Bases. Condition: New. Listed at 76.49 USD. RAM-101U-D RAM Mounts C Size 1.5" Ball Mount with Long Double Socket Arm & 2 2.5" Round Plate with AMPs Hole PatternSPECIAL NOTE: THIS DOUBLE-SOCKET ARM IS 2.5-INCH "D" SIZE AND WILL NOT FIT RAM MOUNTS "B" SIZE 1-INCH BALLS. The RAM-101U-D consists of a long double socket arm and two 2.5" diameter round bases with the universal AMPS hole pattern. Designed into the mount is a 1.5" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. High quality materials insure your device is safe, secure, and within easy reach. RAM’s patented design also dampens shock and vibration helping to extend the life of your device. Overall Length: 10.85"Weight Capacity: Up to 10 lbs. Material: Powder Coated Marine Grade Aluminum Ball Size: 1.5" Rubber Ball Size Notes: The "U" in the part number reflects product packaged in poly bag. If you prefer a smaller double socket arm with two round bases, we suggest the RAM-B-101U-C. Weight: 2.04 lbs. THIS ITEM SHIPS TO THE UPPER 48 STATES ONLY.