Valve Seat 12PCs Carbide Face Cutter With Wooden Box. 70 / 20 Degree Bore Cutter : 1 1/4″, 1 13/16″, 1 3/8″, 30 Degree : 1 3/4″, 45 Degree : 1 1/4″, 1 3/16″, 1 5/16″, 1 5/8″, 1 7/16″, 1 1/2″, 1 3/4″, 1 7/8″. Pilot Sizes : 7mm, 8mm, 8.5mm, 9mm, 10mm, 7/16″, 11/32″, 5/16. Stem Rods : 2 Pieces, Stem Handles : 1 Piece. Total: 23 Pieces Set. Packed in Hard Wooden Box. These are double sided face cutters, properly hardened and tempered.