Adjustable mount for guide scope. Made with 1/2" 6061-T6 aluminum plate stock. Width is 3.5" and length is 14". Losmandy DUP mounted to top plate to accomodate a wide variety of scopes. Adjustable in horizontal and vertical. $375 shipped CONUS.
NOTE: Someone asked how many mounts are for sale - there's just one, with three views in the pics.