Valve Seat & Face Cutter Set Of 12PCs Carbon Steel With Wooden Box. 12PCS SEAT CUTTER VALVE SEAT CUTTERS. CUTTER SIZES Comes with 12 cutters, 7 guides, 2 handles and 1 rod. CUTTER SIZES ARE AS UNDER:- 20° Bore Cutter – 1-3/4″, 1-1/2″, 1-1/4″ 30° Face Cutter – 1-3/16″, 1-3/4″ 45° Face Cutter – 1-7/8″, 1-3/4″, 1-5/8″, 1-1/2″, 1-7/16″, 1-5/16″, 1-1/4″ Handle – 2 pcs. Guides – 7mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 5/16.