3850 Ammco Type Positive Rake Coated Carbide Bit (10 pk.) Brake Lathe Replacement PartsAMMCOPart #: TMRCB6918-10$71.73 Add to Cart Features and Benefits: Positive Rake Coated Carbide Bit 10 Pk Weight: 0.07lbs Ball Stop for 5/8 OD Hose.