Artist Kit, Drafting Brush Duster 10" Professional Drafting Dry Cleaning Pads, 3 1/2oz Erasing Shield Stainless Steel Artist Kit, Drafting Brush Duster 10" Professional Drafting Dry Cleaning Pads, 3 1/2oz Erasing Shield Stainless Steel Horsehair bristles with a comfortable handle. Great for studio or classroom use. Each brush has a peghole and is individually UPC coded. Holds pulverized gum eraser granules that sift through soft mesh. Drawings are cleaned by sprinkling light film of particles through the mesh onto drafting surface and then rubbing with pad. Also handy for cleaning triangles, scales, etc. Excellent for pre-cleaning to prevent later soil build- up. 3-1/4 oz. High quality flexible stainless steel with 23 precision tooled openings. Perfect for difficult or small areas