* Disc:70mm through to 150mm in 5mm
    (70, 75, 80, 85, 90, 95, 100 105, 110, 115, 120, 125, 130 135, 140, 145, 150mm)
* Disc driver handle: 10-3/4" x 3/4"
    (273mm x 19mm)
* Disc driver connector screw