3MStikit Blue Abrasive Sheet Roll, 36225, No Hole, 2-3/4 in x 45 yd, 320+ Grade, Automotive Sanding Roll Sandpaper for Coating Removal, Body Repair, Auto Sanding

I have switched over to the blue sand paper from the red. This stuff is great

Been very useful in sanding paint and primer. I keep tearing parts off for my sanding blocks and still end up having a large roll!