FESTOOL 491 015Professional rounding cutter HW S8 D31.7/R9.5 KL 8mmMost important applications:One tool - dual use: with a small 9.5 mm ball bearing (included), the cutter can be used as a quarter round cutter.Total length : 56 mmWorking length (NL) : 16.5 mmDiameter of cutter (D) : 31.7 mmShank diameter : 8 mmRange (R) : 9.5 mm.