This product is a pair of high-speed steel thread cutters by Robert Sorby, model number 890. Made in Sheffield, England, they are new and unused. The cutters are designed for woodworking crafts, specifically for woodturning. With a thread pitch of 20 TPI, these precision tools are essential for creating intricate and detailed wooden designs. Perfect for professionals and enthusiasts alike, this pair of thread cutters from a reputable brand like Robert Sorby is sure to add value to any workshop or collection. Bought new never used please study pictures