Check the listing for details. RAP-B-166-GOP1 RAM Twist-Lock Composite Suction Mount with A.... Color: Black, Condition: New. Listed at 53.44 USD. RAM Twist-Lock Composite Suction Mount with A... RAP-B-166-GOP1 Genuine RAM Products! The RAP-B-166-GOP1 consists of a 3.3 INCHES diameter suction cup twist lock base, double socket arm and 1 INCHES diameter ball with custom GoPro Hero adapter. 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 suction cup, twist lock base is designed to have a strong hold on glass and non-porous plastic surfaces, including adhesive disks. The GoPro Hero adapter attaches directly to the underside of the camera, replacing the factory mounting bracket.hardware included Assembly Hardwaresuction size 3.3 INCHES Diametersocket to socket length 3 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials High strength compositepackaging type Retail BagWeight 0.65 lb hardware included Assembly Hardware suction size 3.3 INCHES Diameter socket to socket length 3 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials High strength composite packaging type Retail Bag Weight 0.65 lb