Check the listing for details. RAP-B-166-202U RAM Twist-Lock Composite Suction Mount with R.... Color: Black, Condition: New. Listed at 45.44 USD. RAM Twist-Lock Composite Suction Mount with R... RAP-B-166-202U Genuine RAM Products! The RAP-B-166-202U consists of a double socket arm, 3.3 INCHES suction cup twist lock base and round base adapter that contains the universal AMPs hole patter. 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 many RAM cradles. The suction cup base is designed to have a strong hold on glass and non-porous plastic surfaces, including RAM adhesive disks.suction size 3.3 INCHES Diametersocket to socket length 3 INCHES hole pattern 4-Hole AMPS: 1.181 INCHES x 1.496 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials High strength compositepackaging type Poly BagWeight 0.52 lb suction size 3.3 INCHES Diameter socket to socket length 3 INCHES hole pattern 4-Hole AMPS: 1.181 INCHES x 1.496 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 0.52 lb