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The Oshlun SDS-0842 is an 8-inch dado blade set made of professional-grade C-4 carbide with 21 precision-ground teeth on each outer blade. The arbor is a standard 5/8 inch. Six chipper blades are included: four 1/8-inch, one 3/32-inch, and one 1/16-inch that can make smooth channels that range from 1/4 inch to 29/32 inch. These full-body chippers prevent high vibrations while working to keep cuts straighter and smoother. Easily cut through plywood, softwood, and hardwood without leaving splinters. This dado blade set is designed to make undersized cuts which can be best when cutting thin plywood. Each dado blade set comes with shims to make micro-adjustments and a storage case to keep the blades protected from accidental nicks.