Woodworking hole opener is used to make holes in wood, rubber, ceramic tiles, etc Safety guard. Use with any variable speed drill. Round tile opener can be adjusted to the diameter hole you need Tungsten carbide blades. Ceramic hole bits has a protective cover to prevent splashing and safe use Description: Tile hole opener is used to make holes in wood, rubber, ceramic tiles, etc. It has high wear resistance and high toughness, higher hardness, and increases service life. Slice cleaner holes in drywall and ceiling tiles quickly and smoothly, without the need for additional tools to adjust the hole saw. Feature: Tile hole opener Color: Blue Material: ABS plastic Size: 12.5x12.5x12.5 cm/4.92x4.92x4.92 inch Note: Manual measurement, please allow slight errors on size The colors may exist slight difference due to different screens 1 * Tile hole opener