Image shown is actual grain. This standard block fits easily into the palm of your hand and is ideal for sanding a variety of surfaces. The 3-Sided block can operate in the most awkward places. 500 pc/case. Price is per one sponge. Abrasive sponges can be marked with either grit or finish. Keystone Abrasives warranties all of our blocks for manufacturer’s defects and your satisfaction is completely guaranteed!