Our DA09 8" dado blade set provides smooth dado cutting from veneered plywoods, laminates and solid wood. The set includes 2 pcs of 24-tooth outer blades, 6 pcs of 4-tooth inner chippers and 4 pcs of spacers for fine adjustments. It allows different cut width from 6mm to 20.6mm, simply select the inner chippers and spacers required to cut the width of slot required. The dado should never be used to cut through the timber, it is for machining grooves using light, multiple cuts. This set fits onto the 5/8" (15.88mm) blade arbor, using the standard blade clamp and nut. Use on all table saws, panel saws, and radial arm saws for cutting slots, grooves, dadoes, and rabbets in softwood or hardwood.