Crimped Wire Bench Brushes 6 x 5/8-1/2 arbor.  These are good quality and individually packaged.  This wheel will should fit any bench grinder that is capable of handling an 6" wheel.

Features:

• 6" Diameter
• 3750 Max RPM
• 5/8-1/2 Arbor Hole Bushings
• 7/8" Thick