end mill sharpener compare prices at BuyCheapr help WORK CAPACITYThis multifunctional cutter grinder sharpener owns a maximum collet capacity of 18 mm 0 7 quot Max grinding diameter 100 mm 3 94 quot Grinding spindle 5200 RPM 3 COLLETS0 15 quot 4 mm 0 2 quot 6 mm 0 3 quot 8 mm to choose from under different circumstances HIGH ACCURACYThe main shaft of this universal grinder sharpener