Do it Best Waterproof 3 In. x 5 In. x 1 In. 2000 Grit Mirror Fine Sanding Sponge - Bliffert Lumber and Hardware
Amazon.com: ADVcer 500-2000 Grit Sanding Sponge 8 Pads, 4.5" x 5.5" x 0.2" Assorted Wet or Dry Ultra Fine Hand Sanding Sponges, Flexible Soft Foam Sand Block for Drywall, Corner Contour, Metal
uxcell Sanding Sponge Block,1800-2000 Grit, 138mm x 114mm x 4mm - Amazon.com
Amazon.com: ADVcer 500-2000 Grit Sanding Sponge 8 Pads, 4.5" x 5.5" x 0.2" Assorted Wet or Dry Ultra Fine Hand Sanding Sponges, Flexible Soft Foam Sand Block for Drywall, Corner Contour, Metal