3M Pro Grade Precision Ultra Flexible Block Sanding Sponge, 2503PGT-180-UF, 4.5 in x 2.5 in x 1 in, 180 grit, X-Fine, 12/cs, 1/Pack

3M™ Pro Grade Precision™ Dust Channeling Block Sanding Sponge 120 grit Fine, 2502PGP-120-CH, 4.5 in x 2.5 in x 1 in, 12/cs

• Diamond-Patterned Side Channels Dust Away From Your Surface And Is Great For Detailed Sanding
• Professional-Grade Foam Keeps Its Shape For Lasting Use
• Premium Mineral Grits For Effective Hand Sanding
• Suitable For Wet Sanding Or Dry Sanding
• Sanding Sponge Will Not Discolor The Surface You Are Sanding
• Conforms To Your Surface For Easier Sanding
• Resists Clogging For Longer Life
• Intended For Use On Most Surfaces
• Available In A Range Of Grits For A Smooth Finish
• Versatile Design Is Ideal For Use On Most Surfaces
• Ideal For Indoor And Outdoor Use
• Great For Construction, Woodworking, Carpentry, And Home Improvement Projects Like Paint And Drywall Sanding
• Simply Rinse And Reuse
• Recommended For Use With 3M Personal Safety Products
• For Best Results, Sand With The Grain Of Wood, Working Through A Sequence Of Grits From Coarse To Very Fine. Do Not Skip More Than 1 Grit Between Each Sanding Step