General description Set of 10 hexagonal shank brazed diamond drill bits designed for dry drilling in various materials including marble, masonry, concrete, and ceramic tiles. Features a wax interior for cooling during operation. High efficiency and multi-purpose drilling capabilities. Technical specifications Size range: 5-16mm Material: Emery Color: Black Measurement allowed error: +/- 1-3cm Other information Package Contents: 10 Brazed and Dry Tile Drill Bits Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.