VALVE SEAT CUTTER KIT CARBIDE TIPPED. 30 DEG 45 DEG 60 DEG. Milling in the following sizes. At 45 DEGREE + 90 DEGREE. 30 DEGREE + 90 DEGREE. Contents :- 9 pcs cutters 45,30,60 DEGREE. 1x – 30 DEG. 1x – 45 DEG. 1x – 60 DEG. 8 pcs GUIDE STEMS. 2 pc ARBORS T – HANDELS. 2 pc DRIVE ROADS. Feel Free To Ask Any Question. Tools & Supplies For Engine Builders.