SPANNER; SMALL GIRTH ALLOWS COMFORTABLE GRIPING RESULTING IN SUPERIOR ERGONOMICS; FULLY LEADED STATOR WINDINGS FOR INCREASED MOTOR DURABILITY; ABRASION PROTECTED FIELD FOR INCREASED DURABILITY; ANTI LOCK FLANGE PREVENTS FLANGES FROM PERMANENTLY LOCKING UP AND LOCKING THE DISC ON; POP OFF BRUSHES PROTECT THE ARMATURE FROM DAMAGE AT THE END OF THE BRUSH LIFE RESULTING IN GREATER MOTOR DURABILITY; ONE PIECE BRUSH ARM PREVENTS BRUSH HANG UP IN EXTREME CONDITIONS