Rigid Sanding Pads 600 grit (Green Stuff World)Rigid Sanding Blocks Rigid sanding pads are strong and precise tools, ideal for modelling, crafts, and cosplay. They are made of 5 mm thick rigid PVC foam, which provides a firm and durable base. They retain the same practical 100x80 mm dimensions as the flexible models but offer a more stable structure. Unlike flexible sanding blocks, these blocks feature wet sandpaper on both sides, enabling dual sided use and extended durability. Their rigid