15 Pcs Carbide Tipped Big Valve Seat Cutters 3 Angle Job for Hardened Seats 3 or. 15 Pcs Carbide Tipped Big Valve Seat Cutters 3 Angle Job for Hardened Seats 3 or 4 Wheelers. 45 Degree : 1 3/16″, 1 1/4″, 1 5/16″, 1 7/16″, 1 3/8″, 1 3/4″, 1 7/8″, 1 5/8″, 1 1/2″, 2″. 30 Degree : 1 3/4″, 1 7/8″. 70 / 20 Degree Bore Cutter : 1 13/16″, 1 5/8″, 1 14. Pilot / Guide : 7/16″, 11/32″, 5/16, 7mm, 8mm, 8.5mm, 9mm, 10mm. Listing and template services provided by inkFrog.