RTC Probit Challenge: Perfect Cuts, Every Time! Upgrade your drilling arsenal with Pro Bit Wet Diamond Drill Bits – the ultimate solution for effortlessly cutting into Porcelain, offering precision, durability, and cost-effectiveness in one 10-piece kit. Features Electroplated Steel with High Diamond Concentration: Ensures enhanced durability and sharpness. Versatile Compatibility: Suitable for use with handheld drills (800-2500 RPM) and drill presses. Ideal for Bathroom Fixtures: Perfect sizes for installing grab bars, towel racks, and plumbing. Cost Savings: 15% cheaper than purchasing bits individually. User-Friendly Design: Crafted for both professional and home use. Precision Cutting: Delivers swift, clean cuts in porcelain materials.