The product is the Freud SD508 8 24 Teeth Dial-A-Width Dado Set Blades, designed for use with woodworking tools. These blades are manufactured by the brand Freud and have a blade diameter of 8 inches. The specific model number is FREUD SD508, and they are suitable for creating dado cuts with precision and ease. TRULY LIKE-NEW – USED ONCE FOR LESS THAN 5 MINUTES.