Features Excellent Titaniumm Plated Carbide Alloy: This tap and die set is made of excellent titaniumm plated carbide alloy which is strong, wear resistant and durable. Wide application: This tap die set has a wide range of applications and is perfect for rethreading fasteners and fastener holes for automotive and mechanical repairs. Tapered Thickness: This tap and die set features a tapered thickness that makes threading easier and smoother and prevents over threading. Designed For Thread Cutting: This tap and die set is designed for thread cutting, the tap is for internal threads and the die set is for external threads. Storage Box: This tap and die set comes with a storage box, and does not separate the tap and die tools, which is not easy to get mixed up, and it is very convenient to store and carry. Specification: Item Type: Tap Die Set Material: Titaniumm Plated Carbide Alloy Model: m3x0.5, m4x0.7, m5x0.8, m6x1, m7x1, m8x1, m8x1.25, m9x1.25, m10x1.5, m10x1.25, m11x1.5, m11x1.25, m12x1.5, m12x1.75, m14x2, m14x1.5, m16x2, m16x1.5, 4-40 6-32 8-32 10-24 10-32 12-24 1/2-13 1/2-20 1/4-20 1/4-28 1/8-27 3/8-16 3/8-24 5/8-11 5/8-18 5/16-18 5/16-24 7/16-14 7/16-20 9/16-12 9/16-18 Package List:39 x Tap39 x Die2 x Tapping Wrench2 x Die Handle 2 x Screw Pitch Gauge1 x T Tapping Wrench1 x Screwdriver 1 x Storage Box  Package List 39 x Tap 39 x Die 2 x Tapping Wrench 2 x Die Handle 2 x Screw Pitch Gauge 1 x T Tapping Wrench 1 x Screwdriver 1 x Storage Box