3M Tri-M-ite Paper Sheets. 3M Tri-M-ite Paper Sheets. A stearated open coat paper for sanding of knotty pine, mahogany, fibre glass, or any surface where filling or loading is a problem. Silicon carbide grit. Light gray in color. A Weight paper, 180 grit.

11/24 NOW SOLD AS 50 SHEETS PER SLEEVE