CARBIDE TIPPED VALVE SEAT CUTTERS KIT. 3 ANGLE CUT AS ORIGINAL SEAT. 30 DEG 45 DEG 60 DEG. Milling in the following sizes. At 45 DEGREE + 90 DEGREE. 30 DEGREE + 90 DEGREE. Contents :- 6 pcs cutters 45,30,70 DEGREE. 31 MM – 30 DEG. 31 MM – 45 DEG. 31 MM – 70 DEG. 27 MM – 30 DEG. 27 MM – 45 DEG. 27 MM -70 DEG. 2 x GUIDE STEMS. 5.5 MM 7 MM. 2 x VALVE GUIDE HONE REAMERS. 2 x ARBORS ROADS. 1 x THREAD CLEANER.