Match Fit Dovetail Clamps - the only clamps as free as your creativity The breakthrough dovetail clamps are design gives you the freedom to create your own tracks grooves using a dovetail router bit to clamp virtually anywhere. Clamping freedom that goes beyond the edge The Match Fit Dovetail Clamps profile fits a 3/8" deep groove made using 1/2" diameter, 14° dovetail router bit. The breakthrough dovetail, clamps arm design gives you the freedom to create your own track grooves allowing you to clamp virtually anywhere. Work smarter.