Features:
- This is a brand new item
- This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication
- Can be used with a standard electric drill( Excluding in this item )
- Easy to use, high quality,good performance, long life
- Excellent for making clean and accurate hole on glass , tile and marble
- Always use lubrication (water ), otherwise the diamond core drill will burn
- Start your hole diagonally, make a round trace and then hold drill straight
- Size: 1 1/2 inch (38mm) &1 3/4 inch (45mm)

Package Included:
2pcs Diamond Coated Hole Saw Drill Bits (38mm & 45mm)