Equipment for boring valve seats from 68 to 80 mm diameter(as Serdi and Zanrosso system)
AZ588 includes:
    •    1 ball head (AZ584.01)
    •    2 tip holders
    1.    AZ584.03 30mm
    2.    AZ584.04 40mm
    •    12 solid taper pilots 11 mm
    1.    AZ820.28 11