6″ x 20T Super Dado Sets. Set includes 2 blades, 6 chippers, shim set and carrying case. . Adjusts in . 004″ or 1/250″ increments. Features Premium Tico™ HI-Density Carbide Crosscutting Blend for Maximum Performance. Silver I. C. E. Coating prevents build up on the blade surface and keeps the blade running cooler and cleaner. All blades and chippers come with Freud’s anti-kickback design.