Check the listing for details. RAP-B-166U RAM Twist-Lock Composite Suction Cup Double B.... Color: Black, Condition: New. Listed at 44.94 USD. RAM Twist-Lock Composite Suction Cup Double B... RAP-B-166U Genuine RAM Products! The RAP-B-166U consists of a 3.3 INCHES diameter suction cup twist lock base, STANDARD length double socket arm and diamond base adapter. 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 diamond base adapter will connect to most RAM cradles.hardware included Assembly Hardwareproduct dimensions Overall Height: 6.75 INCHES suction size 3.3 INCHES Diametersocket to socket length 3 INCHES hole pattern 2-Hole AMPS: 1.912 INCHES plate size 2.43 INCHES x 1.31 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials High strength compositepackaging type Poly BagWeight 0.5 lb hardware included Assembly Hardware product dimensions Overall Height: 6.75 INCHES suction size 3.3 INCHES Diameter socket to socket length 3 INCHES hole pattern 2-Hole AMPS: 1.912 INCHES plate size 2.43 INCHES x 1.31 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials High strength composite packaging type Poly Bag Weight 0.5 lb