New Carbon Steel Valve Seat Face HCS 5 Piece Car and Bike Cutting Set Vintage Product Specification: 5x HCS Cutter Set: 70/20 Degree Bore Cutter: 1 1/2" 45 Degree: 1 5/16, 1 1/2", 1 7/16", 1 5/8" Drivers/Guides/Stems: 7/16", 5/16" Shaft/Stem Rods: 1 Piece Rod Handles: 1 Piece Total 9 Piece Set. Weight: 1kg All riders are soft and centered at both ends, for easy reduction of outside diameter to suit your needs. This item is made from high quality carbon steel. Each cutter is accurately graded for best results Ideal for vintage car or old engine restorers.