RAM-111-247U-3 RAM Mounts Universal Marine Electronic Mount for Square Posts up to 3" Wide MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURN. NOTE: The included plate is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device. Overview The RAM-111-247-2U with clamp base, consists of the 1.5 inch diameter ball and socket system with RAM universal rectangular 6.25 x 2 inch base. This mount is designed to be a universal mounting solution for large and heavy electronic devices, including GPS, CB Radios, Ham Radios and more. The hole pattern found on the rectangular base will connect to a large variety of third party cradle, gimbal brackets and mounts. The mounting base is a perfect solution for mounting to the cabin frame work on a forklift, or any other square post up to 3 inches square. hardware included: (2) 5/16"-18 x 3" Machine Screws(2) 5/16"-18 Nylock Nuts clamp range: 3" max width socket to socket length: 4.66" hole pattern: See Drawing plate size: 6.25" x 2" ball size: C Size (1.5") weight capacity: Standard Use: 4 lbsHeavy-Duty Use: 3 lbs materials: Marine-grade aluminum packaging type: Poly Bag Weight: 1.59 lb Additional Information: The included plate is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device.