Big Block Ford 429. Head Valve Seat Cutter Set Carbide Tipped 3 Angle Cut. 3 Angle Cut As OEM Seat. 30 ° – 45 ° – 60 °. Cutters In The Following Sizes. 30 Degree Angle Cutters. 2.290″ – 1.800″. 45 Degree Angle Cutters. 2.250″ – 1.760″. 60 Degree Angle Cutters. 2.125″ – 1.750″. Cutters are Usable From Both Side As Other Side Is Accurately Grounded At 90 Degree. 2 Stem Guide’s Sizes. 2 High Speed Steel Reamer’s Size. Total 12 Pcs Set. In A Vintage Style Wooden Box.