Complete fine grit sanding and finishing with these fine grit paper PSA disc roll, which works well on metals, fiberglass, composites, aluminum and wood. A sharp, light-brown P-graded aluminum oxide abrasive provides a fast cut rate and a consistent finish. The abrasive pairs with a strong, flexible B-weight paper backing for an extended product life with good edge-tear resistance and durability. Work with reduced loading and without color transfer, thanks to the water-based non-pigmented stearate No-Fil treatment and open coat. A pressure sensitive adhesive lets you apply and remove the disc roll quickly.