The inside is waxed to cool and dry
Multipurpose drills with high efficiency
Made of premium material, it is has a long service life
Specification:
Product: Marble hole opener
Material: Emery
Drill diameter: 5mm 6mm 8mm 10mm 12mm
Applicable machine: common hand drill/angle grinder
Applications: For drilling granite and marble, masonry, concrete, tile/ceramic, glass, hard plastics