CARBIDE Tipped VALVE SEAT CUTTER 14pcs CUTTER SET FOR 4 WHEELER, TRUCK, BUS, CAR. Carbide Tipped Valve Seat Cutters. That are acclaimed widely for optimum performance for longer periods than high speed steel tools. These are made from the finest-grade of carbide that is procured from the leading vendors of the industry and are robustly designed. We use cutting-edge technologies to manufacture these tools that are available in a wide array as per the requirement of customers at leading industry prices. 14 PIECES CARBIDE CUTTER SET. CUTTER SIZES AS UNDER. 28MM, 25MM, 23MM X 70 DEGREE. 25MM, 24MM, 23MM, 22MM, 21MM, 32MM, 30MM, 29MM, 28MM, 27MM, 26MM. 6.5MM, 5MM, 4.5MM. 5.5MM, 5MM, 4.5MM HANDLES.