Trapezoid PCD Floor Grinding Discs are most aggressive among all metal bond diamond floor discs. They are used mostly for removing epoxy coating most effectively on concrete. Good for up to 40K square feet of life.
Gold color for left rotating machines (counter- clock wise).
Silver color for right rotating machines (clock wise).
PCD size is 2mm in thickness.
30-grit round diamond button.
Rotational direction are interchangeable with most floor grinding machines.