Filmtools introduces theMini-Ball Leveling Head, for cameras weighing up to 25 pounds. It's built just like the ones used to support 35mm Panaflex and Arriflex cameras. The one tightening knob quickly allows you to fine tune your camera's position and lock it down SOLID!. The base is made of 3/8" thick 6061 T6 aluminum (5" x 5.5") and has plenty of 3/8" mounting holes in it. The interchangeable camera plates are made of 1/4" aluminum and are 3.5" x 5". One has a 3/8" slot down the center for mounting cameras that have a 3/8-16 threaded hole in the bottom and the other has a 1/4" slot for most Mini-DV Cameras. Professionally made for those who need the best gear available. Weighs 2.15 pounds. Mini-Bball Leveling Head