For drilling sheet metal up to 4 mm thick- plastics or light materials
FRAISET4/12 : Model from 4 to 12 mm (4/5/6/7/8/9/10/11/12)
FRAISET6/20 : Model from 6 to 20 mm (6/8/10/12/14/16/18/20)
FRAISET6/30 : Model from 6 to 30 mm (6/8/10/12/14/16/18/20/22/24/26/30)