About This High-Quality Construction - Crafted with diamond high-manganese steel and advanced brazing, this glass cutting tool offer greater heat resistance and reduced vibrations for faster, straighter cuts. Precise Cutting with Smooth Finish - The ultra-thin blade ensures accurate, smooth cuts with uniform grinding force, reducing noise and dust for a safer, cleaner work environment. Ease of Use - Optimally thick and well-balanced, the glass cutters tools is easy to handle, reducing fatigue and enabling precise control for both dry and wet cutting. Versatile Compatibility - Fits 4-4.5 inch angle grinders with 4/5, 7/8 inch inner holes(with a bushing ring), ideal for smooth cutting, beveling, and grinding glass, jade, crystal, wine bottles, ceramics, and tiles. Comprehensive Package - Includes 10pcs 4-inch discos para cortar ceramica with 0.07-inch thickness and 7/8-inch inner holes, plus five conversion rings for diverse tool fitting. WARM TIP - Always wear protective glasses, headphone, glove, mask while using rock slab grinding disc. Do not exceed MAX.RPM 12,000. Overview Material : Diamond, Metal Brand : ZORUNNA Product Dimensions : 4"L x 4"W Color : green Style : 10Pcs 4" Item Thickness : 0.55 Inches Item Weight : 24 Ounces Compatible Devices : Angle Grinder