Makita 782424-9 Lock Nut Wrench for Makita Grinder 9557NB APPLICATIONS - For tightening and loosening the lock nut on Angle Grinders CONVENIENCE - Easy to use design DURABILITY - High quality material for long life PERFORMANCE - For use with select Makita 4-1/2",5" & 6" Angle Grinders INCLUDES - Lock nut wrench