Check the listing for details. RAM-B-224-1-A-366U RAM Twist-Lock Suction Cup Mount with 1/4"-20.... Color: Black, Condition: New. Listed at 54.94 USD. RAM Twist-Lock Suction Cup Mount with 1/4"-20... RAM-B-224-1-A-366U Genuine RAM Products! The RAM-B-224-1-A-366U consists of a 3.3 INCHES suction cup twist lock base, SHORT double socket arm and 1 INCHES ball, connected to a round plate with 1/4 INCHES -20 camera thread. The suction cup base is designed to have a strong hold on glass and non-porous plastic surfaces, including RAM adhesive disks. The male 1/4 INCHES -20 threaded steel stud will connect to any standard female thread found on camcorders, digital cameras and POV cameras. 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.hardware included Assembly Hardwaresuction size 3.3 INCHES Diametersocket to socket length 1.75 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumHigh strength compositepackaging type Poly BagWeight 0.26 lb hardware included Assembly Hardware suction size 3.3 INCHES Diameter socket to socket length 1.75 INCHES 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 0.26 lb