Comparison : Item # N11BUC314, Crimped Wire Cup Brushes, Carbon Steel
Item # N11BUC412, Crimped Wire Cup Brushes, Carbon Steel
Item # N11BUC414, Crimped Wire Cup Brushes, Carbon Steel
Item # N11BUC420, Crimped Wire Cup Brushes, Carbon Steel
Item # N11BUC514, Crimped Wire Cup Brushes, Carbon Steel