A sponge type file that uses highly durable cloth. Unlike a paper file, a cloth file works great for curved surfaces as well as flat surfaces. Printed on the cloth of each file is the grit as well as a color that corresponds with the grit. Set A includes 4 pc of 600 grit, 4 pcs of 800 grit, and 4 pcs of 1000 grit. Convenient set for surface shaping. Approximate size of each piece is 35mm x 20mm x 10mm.