Diamond Hollow Drill Bit Set for Tile and Glass with Blue Locator - Durable and Precise for Drilling Porcelain, Ceramic, Marble and Glass

Drill bits: The quality design offers superior cutting resistance for optimal drilling results. Diamond drill bit. Ceramic hole opener: Made from quality materials, wear-resistant and sturdy, durable, hollow core extractor.

Steel marble drill bit: This tile hole drill bit set is made of corrosion-resistant steel, marble drill bit.

Extraction tool: Perfect for drilling glass, block pots, tile, porcelain, ceramic tile, fiberglass, vitrified glass, brick, and stone, marble hole drill bit.

Hollow core drill bit: Used for drilling glass, block pots, tile bottles, marble, ceramic, and other hard surfaces, hand tool accessory.