24x VALVE SEAT CUTTER KIT CARBIDE TIPPED. 45 DEGREE AND 70 DEGREE. Kit consist of. 45 DEGREE CUTTERS :- 21 MM, 22 MM, 23 MM, 24 MM, 25 MM, 26 MM, 27 MM, 28 MM, 29 MM, 30 MM, 32 MM. 70 DEGREE CUTTERS :- 23 MM, 25 MM, 28 MM. Valve guide stem :- 4.5 MM, 5 MM, 5.5 MM. Valve guide HSS reamers:- 4.5 MM, 5 MM, 5.5 MM. Total 24 pcs complete Kit. CUTTER AND STEM SIZES CAB BE MODIFY AS PER REQUEST. Feel Free To Ask Any Question. Tools & Supplies For Engine Builders.