Resin over resin construction for a strong bond resistant to heat and moisture.
High quality egyptian cotton cloth backing provides superior durability Excellent for cleaning, deburring, polishing, & blending. United Abrasives - Sait 2A Flap Wheel 2" x 1" x 1/4" 120 Grit Aluminum Oxide United abrasives - sait 70052 2a flap wheel 2" x 1" x 1/4" 120 grit aluminum oxide premium aluminum oxide grain - general purpose.