The Snap-on RTD40 Fractional & Metric Rethreading Set is a high-quality set of tap and die tools designed for automotive use. Made in the USA, this set includes 40 pieces and comes in a convenient red case for easy storage and transport. With metric measurements and no warranty, this set is perfect for professionals and enthusiasts looking for precision threading tools. The brand reputation of Snap-on ensures reliability and durability in this essential automotive tool set.