The Irwin 3/8" Drive 14pc. Bolt Extractor Set is a hand tool set designed for automotive use. The set includes 14 pieces of bolt extractors, all with a 3/8" drive size. The brand of the product is Irwin, a well-known manufacturer of hand tools. The set is designed to extract bolts that are stuck or damaged, making it a useful addition to any mechanic's tool collection.