HIGH CARBON STEEL VALVE SEAT AND FACE CUTTER KIT. Comes with 13 Cutters Heads, 8 Guides Stems, 2 Arbors and 2 Drive Bars. CUTTER HEADS SIZES ARE AS BELOW. 70° Bore Cutter – 1-3/4″, 1-3/8″, 1-1/4. 45° Degree Cutter – 1-7/8″, 1-3/4″, 1-11/16″, 1-5/8″. 1-9/16″, 1-1/2″, 1-7/16″, 1-3/8″, 1-1/4. T- Arbors – 2 x. Rod – 2 x. Guides – 7 mm, 8 mm, 9 mm, 10 mm. 5/16″, 11/32″, 3/8″, 7/16″. Excellent Quality Wooden Box. All Pilots Are Soft And Centered 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. Comes packaged in modern wooden packaging box as shown in images. Note: THESE WILL NOT CUT MODERN STEEL RING HARDENED VALVE SETS.