Sanding Sponge Blocks is great for sanding odd shapes, edges and into grooves.
High-density durable sponge inside, solid and no easy to break, also resistant to water, wear, acid and alkali.
It accepts all accessory bits with 1/32 to 1/8 inch shanks. It allows you quickly and easily change accessory on rotary tool without changing collets, save time and highly improve your work efficiency. Not only suitable for rotary tool models 275, 285, 398; Also suitable for models 750, 770 and 781 Widely used on rotary tool models 4000, 400, 3000, 398, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700, 750
Designed for light stock removal and high luster polishing Works on a variety of surfaces including steel, aluminum, brass, silver, hard plastics, gold and other metals Impregnated with silicone abrasive and lubricant Eliminates the need for polishing compound