RAM Universal Action Camera Adapter with Double Socket Arm - RAM-B-202-GOP1-201U

The RAM-B-202-GOP1-201U consists of a 1" diameter standard length double socket arm and 1" diameter ball with custom GoPro® Hero adapter. The GoPro® Hero adapter attaches directly to the under-side of the camera, replacing the factory mounting bracket. Specs & Features Material:High Strength Composite & Powder Coated Marine Grade AluminumBall Size: 1" Rubber Ball "B" Size Note:The "U" in the part number reflects product packaged in poly bag. Weight:0.35 lbs. Instructions  Action Camera Ball Adapter Instructions - PDF   Compatible Bases RAM 2.5" Round Plate with the AMPs Hole Pattern with B Size 1" Ball - RAM-B-202U RAM Diamond Plate 2.43" x 1.31" with B Size 1" Ball - RAM-B-238U RAM 3.3" Diameter Suction Cup Base with B Size 1" Ball - RAM-B-224-1U RAM Small Tough-Claw™ with B Size 1" Diameter Rubber Ball - RAP-B-400U RAM Rail Base with B Size 1" Ball. Zinc Coated U-Bolt for Rails from 0.5" to 1.25" in Diameter - RAM-B-231ZU RAM Motorcycle Fork Stem Base with 1" Ball - RAM-B-342