Nap Gladu offers a wide range of industrial dado sets, designed for cutting dado joints on table saws, radial arm saws, tenon machines, dado bar attachments, and more. The products are suitable for use on all types of standard dado and rabbet cuts. Precision grinding helps users attain a perfect flat bottom cut dado with slight scribes on both sides of the dado. Each set consists of two outside blades and the two wing chippers. 800-457-7468, NapGladu.com.