Dura-Gold Premium 1500 Grit Wet or Dry Sandpaper Sheets, 5-1/2" x 9", Box of 25 - Car Color Sanding, Detailing, Polishing Automotive, Woodworking Wood Furniture, Metal Finishing Hand Sand Block Sander: Automotive
Norton - 4-1/2" x 5-1/2" SoftTouch Micro Fine Sanding Sponge 1200-1500 Grit
Meguiars K1500 UNIGRIT Sanding Block 1500 Grit C | eBay
Mini Hand Sanding Blocks for Denibbing PDR - 12 pcs (1500 grit) - Amazon.com
Michigan Toy Soldier Company : Infini Model - Premium Ultra-Precision Softback Sanding Sponge Set, 220 - 1500 Grit