for cylinder heads with hardened valve seats (non-leaded)
6 double-sided cutters
ø 28-35 mm, 45 + 75°
ø 37-44 mm, 30 + 75°
ø 37-46 mm, 45 + 68°
ø 44-52 mm, 30 + 75°
ø 46-60 mm, 30 + 45°
ø 52-65 mm, 60 + 75°
4 expandable pilots
ø 6.5-12.5 mm
1 T-wrench handle