King Arthur Tools Universal Mounting Nut
This 5/8-inch arbor Universal Nut enables you to mount two Lancelots or a Lancelot / Squire dual or dado combination on a 4-1/2-inch, 5/8-inch arbor angle grinder.  Fits most popular angle grinders: Bosch, B&D;, Craftsman, DeWalt, FEIN, Hitachi, Makita, Milwaukee, Porter Cable.  Replaces two pin spanner wrenches.