RAM� Backing Plate Adapter FEATURES 3 inch x 3 inch steel backing plate attaches to a variety of RAM� Mounts ball bases Includes screws and zinc-plated nylock nuts Made of high-strength composites for durability and reliability in the most demanding environments Backed by a lifetime warranty OVERVIEW 3� x 3� steel backer plate with 10-24 threaded holes. HARDWARE INCLUDED (1) 3 inch x 3 inch Steel Backing Plate (4) #10-24 x 1 inch Thread Locking Screws (4) #10-24 Nylock Nuts HOLE PATTERN 4-Hole AMPS: 1.181 inch x 1.496 inch 1.5 inch x 2 inch MATERIALS Steel PACKAGING TYPE Poly Bag WEIGHT 0.15kg