VALVE SEAT CUTTER KIT. 30 DEG 45 DEG 70 DEG 8 STEM 2 ARBOR 2 RODS. Must For vintage classic and modern cars. Trucks, big block diesel and petrol engines. VALVE SEAT CUTTERS CAN BE USE. FROM BOTH SIDES FACE AND DEGREE. Contents :- (25 pcs cutters). 1 3/16″, 1 1/4″, 1 5/16″, 1 3/8″, 1 7/16″, 1 1/2″, 1 9/16″, 1 5/8″. 1 11/16″, 1 3/4″, 1 13/16″, 1 7/8″, 2″, 2 1/8″. 1 5/16″, 1 7/16″, 1 3/4″, 1 7/8″, 2″, 21/8/”. 1.1/4″, 13/8″, 1.1/2″, 1.5/8″, 1.3/4. (4pcs) Stems metric size. 7mm, 8mm, 9mm, 10mm. (4pcs)Stems inch size. 11/32″, 3/8″, 5/16″, 11/16″.