Drilax ® 10 Pcs Diamond Drill Bit Set 5/32"， 3/16"， 1/4"， 5/16"， 3/8"， 1/2" ， 5/8" ， 3/4" ， 7/8" ， 1" In Inch Tiles， Glass， Fish Tanks， Marble， Granite， Ceramic， Porcelain， Bottles Lot Coated Bits DIY Kitchen， Bathroom， Shower， Lamps 100425[Product Information]- GREAT SET with 10 Mostly Used Sizes: from 5/32" in to 1 inch
- HUGE COST SAVINGS compared to big box stores. Use with standard electric or battery drillers.
- There is no need for a center pilot drill. These tools do not have center pilot drills. Use a guide
- Tiles， Glass， Fish Tanks， Marble， Granite， Ceramic， Porcelain， Bottles
- FOR ALL DRILLS - HAND - PORTABLE - UPRIGHT - Shank sizes vary， maximum shank is 3/8
