Comparison : Item # N11GBD30012, Heavy Duty Honing Brushes
Item # N11GBD30018, Heavy Duty Honing Brushes
Item # N11GBD30024, Heavy Duty Honing Brushes
Item # N11GBD30032, Heavy Duty Honing Brushes
Item # N11GBD31412, Heavy Duty Honing Brushes