Sanding Sponge Block, 400-600 Grit, 99mm x 70mm x 25mm - Walmart.com
Extra Fine (400 Grit) Manual Sanding Sponge Sheet Kitchen Polishing Grinding Abrasive Sponge Block 4-Inch, 4-Pack: Amazon.com: Industrial & Scientific
SpotModel SPOT-011: Sandpaper Fine grade sanding sponge (400 grit) 3 units (ref. SPOT-011) | SpotModel
Sanding Block Fine 400 Grit – Evans Ceramic Supply
Hosco Japan 400 Grit Sandpaper 3.2m for use with TWSB Sanding Block – Northwest Guitars
WORKPRO 24-Piece 9 x 11 Inch Sandpaper Kit, 40/80/120/400/600 Assorted Grit Sandpaper Sheets with Sanding Block & Sanding Sponge for Wood Furniture Polishing, Metal Sanding and Paint Finishing : Amazon.ca: Tools & Home Improvement