Item is new never used condition is as pictured.. bits are never used but showing patina..carry pouch showing age from storage but no rips or stains … look at pictures carefully before buying The Mac Tools CB4S 4pc Multi-Purpose Carbide Burr Set is a high-quality hand tool set designed for automotive use. Made by the reputable brand Mac Tools, this set includes four carbide burrs that are durable and long-lasting. The manufacturer part number CB4S ensures that you are getting the specific set you are looking for, perfect for various automotive maintenance and repair tasks. These carbide burrs are versatile and can be used for a range of purposes, making them a valuable addition to any mechanic's tool collection.