Item Details:* Extra Long Shank Hexagonal Cross Drill Bit for Glass Granite Ceramic Tile * Material: Titanium Tungsten * Color: As Pictures Show * Optional Model (Diameter): 6mm/8mm/10mm/12mm/6-12mm * Working Length: 49mm(6mm)/68mm(8mm)/66mm(10mm)/67mm(12mm)* Overall Length: 98mm(6mm)/107mm(8/10mm)/119mm(12mm)*Suitable for drilling hard materials such as glass, ceramics, ceramic tiles, granite, brick walls, etc. Package Contents(Optional):Package Contents1:1*Drill Bit (6mm/8mm/10mm/12mm)Package Contents2:4*Drill Bit (6-12mm)Note:1.The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.