• Extra long duration and smooth cutting thanks to German phenolic resin and refined white corundum, offering 35~50% better performance than ordinary discs. • Reinforced structure with 3.0 mm thickness and 2 layers of fiberglass mesh, ensuring safety with MPA certification. • Suitable for cutting a wide range of materials such as metal, steel, stainless steel, angle iron, sheet metal, plastic, and steel pipes. • Compatible with angle grinders and cutting machines with a diameter of 230 mm and a hole of 22.23 mm. • Includes 25 pieces per box with a safety manual, ideal for those who love metalworking.