10Pcs Hand Sanding Block Sponge Set 300-400 Grit, Ultra Fine Sanding 10pcs Wet/Dry Bodywork Foam Sanding Block,double sided pads for added value., Size:30mm x 40mm , Grits: 800-1000 Grit. Size:30mm x 40mm Grits: 300-400 Grit.Mainly used for polishing and polishing of toy models, mobile phone cases, 3C, and electronic digital products. Abrasive... Long Life Flexible Hand Polishing Sanding Sponge Block Foam Abrasive... Abrasive Sanding Foam Sponge ideal for most sanding applications and feature a super fine grit size. Mainly used for polishing and polishing of toy models, mobile phone cases, 3C, and electronic digital products. Sponge sandpaper Material: emery and sponge. Flexible sponge foam pads 800 1000 Grit Wet Dry Sanding Sponge KLINGSPOR Sanding Pad Wet And Dry Abrasive Foam Block Sand Paper Sheets Boxonly 30mmx40mm Foam Sanding Sponge Sandpaper Abrasive Blocks Wet Dry Bodywork Foam Sanding Block Features: Flexible sponge foam pads.