Our Lathe Wheels come in three grits:

FINE: green, 120 grit
Especially suited for grinding porcelain teeth
Long wearing and will not chip porcelain

MEDIUM: black, 46 to 60 grit
Excellent for trimming denture base plate materials, stone models and acrylic
This top grade wheel is rapid cutting and will not clog at low speeds

COURSE: white, 36 to 46 grit
Developed for trimming base plates, acrylic, and stone models
Aluminum oxide grit facilitates rapid shaping with minimum pressure
Will not clog
Generates little heat

All three grits come in 3" x 1/4" and 3" x 3/8".
All wheels have 1/4" lead reinforced center hole