11pc Valve Seat Cutter Set

6pcs milling at 45 ° and 90 °: 32.5 - 35 - 37.5 - 40 - 42.5mm
5pcs 13 stem guides: 6.5 - 7 - 7.5 - 8 - 8.5mm
1pc T handle.
Not suitable for hardened valve seats.
Material 9SICR