Hammers window mount works with all spotting scopes, cameras, video cameras and other tripod adaptable accessories. Pivoting ball head mounted on top is very compact and easy to adjust for full range of motion with quick lock and unlock. Padded clamp firmly attaches to any car or truck window. Solid aluminum alloy construction with easy to grip knob clamp. Standard camera thread. Weight capacity 7lbs. Size of the mount/ball head assembly: 5 1/2"H x 2 1/2"W x2 1/4"D.