The RAM-B-202AU RAM Camera Ball Adapter is a camera and camcorder mounting component with a B size 1" RAM rubber ball, 2.5" round plate, and 1/4"-20 threaded stud. The round plate provides added support for compatible cameras that rest on top of the base, while the threaded post connects to standard 1/4"-20 female camera threads. This adapter is used as part of a RAM Mounts system and pairs with RAM B size socket arms to create an adjustable mounting setup for cameras, camcorders, and other compatible devices. Key Features Adds a B size 1" RAM rubber ball to compatible cameras and camcorders 2.5" diameter round plate provides additional support and stability Includes a standard 1/4"-20 threaded stud for common camera mounting applications Compatible with RAM B size double socket arms Round plate includes AMPS and 3-hole mounting patterns Marine-grade aluminum construction for durability and reliability Use Cases & Compatibility The RAM-B-202AU is commonly used to mount digital cameras, camcorders, and other compatible devices with a standard 1/4"-20 female thread. The 2.5" round plate helps support devices that sit on top of the base, while the B size 1" ball connects to RAM B size socket arms. The round plate also includes a 4-hole AMPS pattern and a 3-hole 120-degree pattern for compatible mounting applications. Specifications Ball Size: B Size 1" Ball Material: Marine-grade aluminum Weight Capacity: Standard Use: 2 lbs.; Heavy-Duty Use: 1 lb. Pattern / Hole Spacing: 4-hole AMPS: 1.181" x 1.496"; 3-hole 120-degree: 1.812" diameter Dimensions: 2.5" diameter round plate Thread Pitch: 1/4"-20 x .25" Product Weight: 0.16 lb. Additional Details: Male threaded steel stud connects to standard 1/4"-20 female camera threads Brand & Warranty Brand: RAM Mounts Manufacturer Part Number: RAM-B-202AU Warranty: Manufacturer's lifetime warranty Gadget Mounts is an Authorized RAM Mounts Dealer.