The diamond coating on these saws give superior performance and life. Excellent results in glass, marble, slate, and tile. Sizes: 4mm,5mm,6mm,8mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm,18mm,19mm,20mm,25mm,30mm,32mm,35mm,38mm,40mm,45mm,50mm,55mm,60mm. Note: To prolong the life of these bits, use on a low speed with coolant (water/oil). Model # Hole S Features: 1-3 week to USA with track number, 2-5 week to other country; size:25 mm Great for holes in marble, Slate, Glass, Tile etc. Do NOT run dry. Package Content : 1 x Glass Hole Saw.
