FESTOOL 490 983Professional semicircular recess cutter HW S8 D8/R4 8mmMost important applications:Festool offers for each semicircular recess cutter a radius cutter of the same radius (except R 20).The semicircular recess cutter and radius cutter can be ideally combined, for example. as profile and counter profile.Total length : 38 mmWorking length (NL) : 8 mmDiameter of cutter (D) : 8 mmDiameter of shank : 8 mmRadius (R) : 4 mm.