🔧 Drill Your Way to Perfection! Crafted from industrial-grade carbon steel with nickel plating for corrosion resistance. Perfect for glass, tile, porcelain, and more—unleash your creativity! Five drill bits (5mm to 12mm) for all your project needs. Diamond coating ensures sharpness and smooth cuts every time. Keep it cool with water for optimal performance and longevity. Diamond-coated for precision 5 sizes (5mm-12mm) Industrial-grade carbon steel This Diamond Hole Saw Set includes five precision drill bits ranging from 5mm to 12mm, designed for cutting through various materials like glass, tile, and porcelain. Made from industrial-grade carbon steel and featuring a diamond coating, these bits ensure durability and high performance. Ideal for DIY enthusiasts and professionals alike, this kit is your go-to solution for clean, precise holes.