Premium Material and Durability: Crafted from high grade hardened steel, this tap and die set is designed to withstand heavy loads and high pressure. Its exceptional wear resistance makes it a great choice for tackling tough working environmentsAccurate Engineering: Each piece in this industrial grade steel set is precision CNC machined and heat treated to a hardness of 60HRC. Tested, ground, and polished twice for smooth surface that minimizes friction and wear while enhancing aesthetics and Comprehensive Set: This extensive 110Pcs set includes 35 taper taps, 35 plug taps, and 35 dies, along with 2x tap wrenches, 2 die wrenches, and a T handle tap wrench. It covers a wide range of sizes including M2x0.4 to M18x1.5 to meet various threading needsConvenient Storage and Organization: Comes in a heavy duty carrying case for easy transport, secure storage, and quick organization. The tapered tooth design ensures smooth threading starts while preventing over threadingVersatile Applications: The Steel Tap and Die Set is ideal for creating new threads or repairing damaged threads on most metals such as carbon steel, cast iron, aluminum, brass, copper, and stainless steel Specification: Material: Steel Color: Argent and Black Size Chart: Box Size45cmx31.5cmx5cm/17.72inchx12.40inchx1.97inch Package Size46cmx35cmx6cm/18.11inchx13.78inchx2.36inch Package Includes: 110 Tap and Die Set Note: Please allow slightly errors due to manual measurement and different monitors.