Fits many ADM Accessories mount adapters as well. Accepts both D Series and V Series dovetail bars. Five 1/4 x 20tpi tapped holes. One is centered on the clamp then 1″ center to center and 2″ center to center. The split clamp design grips the dovetail bar along the entire surface of the saddle and will not dent or scratch the dovetail bar. Features two large locking hand knobs for tool free operation, spring loaded jaws, anodized aluminum and stainless steel construction. 7″ Long, 4″ Wide, .75″ thick, Wt. 26 oz.