This kit is pretty much brand new. Bought it and left the industry shortly after. The Cornwell Tools 48pc Rethread Kit is a comprehensive set of tap and die tools designed for automotive use. This kit includes 48 pieces of SAE and metric threading tools, making it versatile for various vehicle models. With a specific manufacturer part number of RBC971, this set is perfect for rethreading applications. While it does not come with a warranty, the durability and quality of Cornwell Tools ensure that this kit is a reliable addition to any auto mechanic's toolbox.