This is the God Hand Kamiyasu Sanding Stick 3mm Assortment Set A

• Sanding sponge "Kamiyasu"! High durability! All-purpose! Outstanding usability!
• Kamiyasu is durable sanding sponge. Emery cloth which is hard to loose sanding force is on the durable sponge.
• Different from paper file, cutting surface is hard to be torn and getting wrinkles and creases.
• Sponge has just right flexibility and elasticity. By changing the thickness, it suits from curved to flat surfaces.
• Thickness: 3mm Grade #120: 1pcs, #240: 2pcs, #400: 2pcs Total 5 pcs