Large Carbide Mounted Valve Seat Cutter Set 30 45 70 (20 Degrees) 12x Large Carbide Mounted Valve Seat Cutter Set 30 45 70 (20 Degrees) USA Product Specification: 12x Large Carbide Mounted Valve Seat Cutter :- 70°: 1 1/4", 1 13-16", 1 3/8", 30° : 1 3/4" , 45°: 1 1/4", 1 3/16", 1 5/16", 1 5/8", 1 7/16", 1 1/2", 1 3/4", 1 7/8" . (8 pieces) valve guide rod : size 7mm , 8mm , 8.5mm , 9mm , 10mm , 7/16" , 11/32" , 5/16" (1 piece) handle (2 pieces) rod Cut out hard SEATS Carbide tipped valve seat cutter set 23x.