General description Diamond Hole Saw Kit includes 10 sizes ranging from 6mm to 50mm, designed for drilling through glass, marble, tile, ceramic, and PVC. Made from high-strength carbon steel, these diamond drill bits are durable and efficient, ensuring a smooth drilling experience. Technical specifications Sizes included: 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm Material: High-strength carbon steel Maximum panel opening length: 3-1/4 inches Drilling diameter capacity: Up to 3.5 inches Usage High-quality diamond coated hole saws increase drilling speed Designed to cut smoothly in seconds without bending edges Large through holes facilitate cooling water entry and chip removal Other information