The REX International HD Metric DS Kit includes four high-quality metric dies in sizes 19mm, 22mm, 24mm, and 30mm, designed for precision threading in various applications. Constructed from durable materials, these dies ensure longevity and consistent performance, making them ideal for professional use in automotive, plumbing, and industrial settings. The kit is compatible with standard threading tools and meets industry standards for quality and safety. Each die is engineered for easy handling and precise threading, providing reliable results for both experienced technicians and DIY enthusiasts.