The RAM-D-202U-24 combines a RAM D Size 2.25" ball with a 2" x 4" rectangular mounting plate. Its four-hole pattern measures 1.5" x 3.5" center to center, providing a secure drill-down mounting point for compatible equipment and surfaces. Constructed from powder-coated marine-grade aluminum, this standalone ball base connects with compatible RAM D Size socket arms for adjustable equipment mounting. Key Features Integrated RAM D Size 2.25" ball 2" x 4" rectangular mounting plate Four-hole pattern measuring 1.5" x 3.5" center to center Compatible with RAM D Size socket arms and mounting components Powder-coated marine-grade aluminum construction Supports up to 6 lbs under standard-use conditions Use Cases & Compatibility This standalone ball base can be installed on compatible flat surfaces, brackets, equipment, and mounting structures that use the specified four-hole pattern. Compatible with a variety of RAM D Size 2.25" socket arms and mounting components. Attachment hardware is not included. Specifications Ball Size: D Size 2.25" Ball Hole Pattern: Four-hole, 1.5" x 3.5" center to center Plate Dimensions: 2" x 4" Material: Marine-grade aluminum Weight Capacity: Standard Use: 6 lbs; Heavy-Duty Use: 5 lbs Product Weight: 0.58 lb Brand & Warranty Brand: RAM Mounts Manufacturer Part Number: RAM-D-202U-24 Warranty: Manufacturer’s lifetime warranty. Gadget Mounts is an Authorized RAM Mounts Dealer.