20Pcs 7 Inch 400 Grit High Performance Sanding Discs 400 Grit Hook and Loop Heavy Duty Silicon Carbide Waterproof Sandpaper Wet/Dry Sanding Paper for Wood Metal Glass Car Boat Grinding Polishing - - Amazon.com
Dura-Gold Premium 6" Wet or Dry Sanding Discs - 400 Grit (Box of 20) - High-Performance Sandpaper Discs with Hook & Loop Backing, Fast Cutting Silicon Carbide - Hand Sand, Orbital Sander
6 in 400 Grit Gold PSA Sanding Disc, Roll of 100, High Teck – Eagle National Supply
Diamond Sanding Pad Set 400, 200, 120, 60 Grit - Sanbao Studio - ChinaClayArt
9 in. x 11 in. 400 Grit Wet/Dry Sanding Sheets with Aluminum oxide Grain, 5-Pack