TUNGSTEN CARB TIP HOLE SAW 2-3/4 IN (70mm) PK/1 2-3/4 Inches carbide tipped hole saw Tungsten carbide tipped teeth for outstanding cutting performance and product durability It will cut nail embedded wood or virtually and wood and metal combination Leaves high quality surface finish on entry and exit and provides a smooth cut Suitable for use in mains and battery operated tools Upc is: 049659689556 Model is: TCTHS-44-01