BIRCHWOOD CASEY UTILITY BRUSHES COME IN A 3 PACK WITH DIFFERENT STYLE BRUSH ENDS. NYLON BRUSH: USE ON DELICATE BLUEING AND ENGRAVING. BRONZE BRUSH: IDEAL FOR TOUGH DEPOSITS. STAINLESS BRUSH: USE FOR THE TOUGHEST REMOVAL OF DEPOSITS.3 – PACK UTILITY BRUSHNYLON BRUSHBRONZE BRUSHSTAINLESS BRUSH41104 – UTILITY BRUSHES 3 – PACK