--- Product Information ----Start your DIY garage and workshop projects with the Hi-Spec 20pc Metric Tap & Die Set, perfect for clean and precise tapping and threading. This comprehensive set includes the most commonly used metric sizes, made from premium GCr15 Alloy steel for durability and corrosion resistance. Ideal for internal and external rethreading, repairing rusty nuts and bolts, and cutting new material. Keep all your tools organized in the compact tray case, making it a must-have for DIY enthusiasts, garage mechanics, and workshops.Versatile Kit - Covers a wide range of threading tasksDurable Steel - Premium GCr15 Alloy for long-lasting use--- Features and Benefits ----CLEAN CUT RESULTS: For DIY garage and workshop tapping and threading. Start thread milling, internal or external rethreading, cut new material, chase damaged and old screws, repair rusty nuts, bolts and spark plugs18pc METRIC: Most popularly used coarse and fine thread sizes and pitches of three and four flute tapered and plugged taps and dies. Metric Tap and Die: 9 thread sizes from M3 to M12 with 9 pitch sizesGOES THROUGH METALS: For materials such as carbon alloy steels, cast iron, aluminium, brass and bronze. Using premium GCr15 Alloy steel, a high carbon chromium bearing steel with high Rockwell HRC hardness, contact fatigue performance, and corrosion resistance2 TAP & DIE WRENCH HANDLES: Just fix the tools into the steel alloy wrench handles with adjustable fittings and get turningCOMPACT TRAY CASE: All tools and accessories are kept tidy and organised in a slimline case for simple storage and carry.