The product content is a combination of ultra-fine, fine, medium and coarse sand blocks.Containing 3 pieces each of #120-180, #240-320, #320-400 and #800-1000 .
Product Material:Aluminium oxide emery + high density sponge
Applicable to woodworking, furniture, metal, plastic, amber and other sanding
Dry grinding, wet grinding can be soft, wear-resistant , can be washed and reused