Check the listing for details. SAE and Metric Thread Restorer Kit RTD48 Snap-On, 48-Piece. Condition: Used, Made in United States. Listed at 140.00 USD. The SAE and Metric Thread Restorer Kit RTD48 Snap-On is a 48-piece set of hand tools designed for automotive use. This kit includes tap and die tools for both SAE and metric threads, providing a comprehensive solution for restoring damaged threads. The Snap-on brand is known for its quality and durability, ensuring that this set will withstand tough use in professional automotive applications. With no warranty provided, users can trust in the reliability and performance of this thread restorer kit.