VALVE SEAT CUTTER SET. MILLS IN THE FOLLOWING SIZES. Contents :- (27x cutters Heads). 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″ – 45 Degree. 1 3/16″, 1 5/16″, 1 7/16″, 1 3/4″, 1 7/8″, 2″, 21/8 – 30 Degree. 1.1/4″, 13/8″, 1.1/2″, 1.5/8″, 1.3/4″, 2″ 60 Degree. (6x) Stems metric size. 6 mm, 7 mm, 8 mm, 8.5 mm, 9 mm, 10 mm. (4x) Stems inch size. 11/32″, 3/8″, 5/16″, 7/16″. (1x) 1/2 UNF THREAD CLEANER. We can also produce cutters as per costumer requirement. Feel Free To Ask Any Question.