The RAM-B-404-238U consists of the medium RAM® Tough-Claw™ base, marine-grade aluminum double socket arm and diamond base adapter. The RAM® Tough-Claw™ is the perfect mounting base for quick and easy tool-less installation and removal on round, square, odd shaped rails and bars. The RAM® Tough-Claw™ can be clamped on rails from 1" to 1.6" outer diameter. The diamond base adapter contains the industry standard universal 2-Hole AMPS hole pattern, which will connect to a large variety of RAM® Mount and third party cradles. The mount is designed with a RAM® 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; allowing for almost infinite adjustment and perfect viewing angles.OverviewThe RAM-B-404-238U consists of the medium RAM® Tough-Claw™ base, marine-grade aluminum double socket arm and diamond base adapter. The RAM® Tough-Claw™ is the perfect mounting base for quick and easy tool-less installation and removal on round, square, odd shaped rails and bars. The RAM® Tough-Claw™ can be clamped on rails from 1" to 1.6" outer diameter. The diamond base adapter contains the industry standard universal 2-Hole AMPS hole pattern, which will connect to a large variety of RAM® Mount and third party cradles. The mount is designed with a RAM® 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; allowing for almost infinite adjustment and perfect viewing angles.SpecificationsClamp range: 1" - 1.6" diameterSocket to socket length: 3"Hole pattern: 2-Hole AMPS: 1.912"Ball size: B Size (1")Weight capacity: Standard Use: 2 lbs, Heavy-Duty Use: 1 lbMaterials: Marine-grade aluminum, High strength compositePackaging type: Poly BagWeight: 0.98 lb