Fits MDS Series dovetail bars. Attach the StarSense directly to a MDS series dovetail bar. Incorporates a split clamp design that grips the dovetail bar along the entire surface of the saddle and will not dent or scratch the dovetail bar. The dovetail clamp has a large “T” handle locking knob for tool free operation, spring loaded jaws, anodized aluminum and stainless steel construction. Three tapped holes for direct mounting of PoleMaster. MDS-PA- 1.5″ Long, 1.9″ Wide, .75″ Thick, 6 oz.