15 Pieces Engine Valve Seat High Carbon Steel Face HCS Cutter Set + 1 Arbor + 8 Guides + 2 T-Handle + HEAVY METAL BOX. 15x HCS Cutter Set. 70 / 20 Degree Bore Cutter : 1 ¼”, 1 ½”, 1 ¾. 30 Degree : 1 ¾”, 1? “. 45 Degree : 1 3/16″, 1 ¼”, 1 5/16″, 1 7/16″, 1 ½”, 1? “, 1 ¾”, 1? “, 1? “, 2″. 8 Pilots / Guides / Stems Sizes : 7mm, 8mm, 8.5mm, 9mm, 10mm, 5/16″, 7/16″, 11/32. Arbor / Stem Rods : 1 Piece. Stem Handles : 2 Pieces. Total 26 Pieces set. Weight : 2.7 kg. All Pilots Are Soft And Centered at Both Ends, For Easy Reduction Of OD To Suit Your Requirements. This Item Is Manufactured From High Grade Carbon Steel. Each Cutter In Accurately Grade For Best Results. Ideal For The Vintage Car Or Old Engine Restorer.