Designed for hand sanding, each 9 x 11 inch sheet can be cut to the size of your sanding block. During Stage 4 of the 3M Body Repair System use 600 grit sandpaper to refine 400 grit scratches in primer. Follow this step by scuffing the blend area with 800 or 1000 grit sandpaper prior to applying base coat paint.

Product Details:

• 600 grit sandpaper used to refine 400 scratches in primer
• Can be used wet or dry
• Contains 5 sheets of 9 X 11 INCH sandpaper
• Use during Stage 4 of the 3M Body Repair System