Famag Insulation attachment

First hole saw with serrated edge for really all insulating materials such as: Wood insulation boards, polystyrene, mineral wool, PU foam and much more, very clean cuts, please order PUMPSHANK® separately, this is not included, saw for fast, very clean and circular cuts in mineral wool, polyurethane foam, polystyrene, leather, rubber, paper, carpet and especially in wood fiber insulation boards, thanks to the particularly sophisticated PUMPSHANK® the saw core can be easily removed and you save a lot of time and nerves, thanks to thin-walled cutting edges, the saw core can be reused, e.g. to close the blow-in opening