Check the listing for details. RAM-B-166-C-202U RAM Twist-Lock Suction Cup Double Ball Mount .... Color: Black, Condition: New. Listed at 63.94 USD. RAM Twist-Lock Suction Cup Double Ball Mount ... RAM-B-166-C-202U Genuine RAM Products! The RAM-B-166-C-202U consists of a 3.3 INCHES suction cup twist lock base, LONG double socket arm and round base that contains the universal AMPs hole pattern. The suction cup base is designed to have a strong hold on glass and non-porous plastic surfaces, including RAM adhesive disks. The mount is designed with a RAM 1 INCHES diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The hole pattern found on the round base adapter will connect to most RAM cradles and 3rd party cradles.hardware included Assembly Hardwareproduct dimensions Overall Height: 9 INCHES suction size 3.3 INCHES Diametersocket to socket length 5.31 INCHES hole pattern 4-Hole AMPS: 1.181 INCHES x 1.496 INCHES 3-Hole 120-Degree: 1.812 INCHES Diameterball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumHigh strength compositepackaging type Poly BagWeight 0.9 lb hardware included Assembly Hardware product dimensions Overall Height: 9 INCHES suction size 3.3 INCHES Diameter socket to socket length 5.31 INCHES hole pattern 4-Hole AMPS: 1.181 INCHES x 1.496 INCHES 3-Hole 120-Degree: 1.812 INCHES Diameter ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminumHigh strength composite packaging type Poly Bag Weight 0.9 lb