Product name: Dry drilling drill of diamond soldier to the color vacuum: orange. Application: welded diamond bocks, dry drilling for stone, masonry .... Specifications: round rod, available diameter of 6 mm, 8 mm, 10 mm, 12 mm, 10 mm diamond length. Application: To drill granite and marble, masonry, concrete, tiles/ceramics, glass, hard plastic ... characteristics: 1. Interior wax to cool, dry perforation. 2. Diamond technology soldier to the vacuum cleaner provides very high efficiency, multipurpose perforation. 3. Long -term drilling