Milwaukee® Spindle Hub is designed for 5" angle grinder, 5" dial speed super mag grinder, 4 1/2" angle grinder, 115 mm dial speed super mag grinder, band file, random orbit sander, 4 1/2" dial speed super mag sander/grinder and 5.5 A 10, 000 opt 5" random orbit sander and 5.5 A bandfile.