CutBuddie Universal Dust Shroud for Grinders (Diamond Blade), 5" Captures up to 99% of airborne dust Fits most 4 and 5 inch hand grinders. Does not fit polishers. Fast and Easy installation with universal bracket band clamp combination Adjust cutting depth from .25 to 1.2 inches Clear polycarbonate for improved visibility and durability This is an O.E.M. part