Perfect hole saw for making precise cuts in plasterboard and fiberboard panels, even in panels that have been exposed to moisture. The saw gives a neat cut without tearing the cardboard. Hardened teeth ensure stable cutting and long life. becomes less friction and ensures that the plug is loosened easily Cuts the paper - cleans the hole , fine cuts Faster and cleaner cutting = less dust. The plaster stands with sharp edges. Min. 500 holes in 13 mm plasterboard 10 times faster to work with than traditional systems No finishing of the hole - greater efficiency - no irritations - better end product Contents: 2pcs. hole saws:73,83 mm 1 pcs.HSS Drill