1. Can cut holes up to 35mm, 50mm, 75mm and 110mm thickness. 2. The cutting length is 50mm, 70mm, 90mm and 120mm. 3. Special designed cutting edges 4. The special tooth arrangement makes cutting smooth. 5. The cutting edges can be re-sharpened. 6. Can be run at higher speeds and higher feed rates. 7. The Hole Cutters are suitable for all kinds of magnetic drilling machines, e.g. Nitto, Hougen, Jancy, Fein, Alfra, Euroboor, etc.