Carbide-tipped universal hole saw with steel saw body, cutting depth 165 mm, round sawing in all types of wood and panel materials (including solid wood), MDF, aerated concrete, plasterboard and plastics, ideal for drilling through-holes in solid wood for ventilation, drainage and flue pipes thanks to the large usable length, A hole with a diameter of 10 mm must be pre-drilled for the guide pin, the particularly ingenious PUMPSHANK® makes it easy to remove the saw core and saves a lot of time and nerves, once the saw has engaged, the mandrel can be removed