Dry Tile Drilling Set Brazing Hole Opener For Quartz Marble Glass (5 pcs/pack)

1) 5 pcs/pack

2) 3pcs → diameter 6mm, length 66mm
    1pc→ diameter 8mm, length 80mm
    1pc→ diameter 10mm, length 80mm

3) used to marble/ quartz/ glass, and for Hand drill/ Lithium drill/ Bench drill.