21 Pieces Engine Valve Seat High Carbon Steel Face HCS Cutter Set + 1 Arbor + 8 Guides + 2 T- Handle + METAL BOX. 21 x HCS Cutter Set. 1 ¼”, 1 ½”, 1 ¾”, 2″. 1 ¾”, 1? “. 1″, 1? “, 1 3/16″, 1 ¼”, 1 5/16″, 1 7/16″, 1 ½”, 1? “, 1 ¾”, 1? “. 1? “, 1 9/16″, 2″, 2? “, 2 ¼. 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 32 Pieces set. Weight : 3.7 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. Best Use For all Vintage Cars, Motorcycles. These Valve seat Cutters are Made of high carbon steel, properly hardened and tempered, each cutter in accurately grade for best results. These are must for Vintage Car, Bikes. EXCELLENT QUALITY CUTTERS and METAL BOX. Note: THESE WILL NOT CUT MODERN STEEL RING HARDENED VALVE SEATS. All These Cutters are Double Sided Face Cutters. Can be customized as per requirement. PROUDLY MADE IN INDIA.