The ergonomics of Mirka orbital sanders give the user great comfort. Its lightweight, hi-tech, and precision molded material provides unmatched strength and durability. MIRKA® OS 38CV (Central Vacuum) is recommended for various applications, such as wood and body filler as well as primer and lacquer sanding. Mirka orbital sanders have been specially designed for use with the revolutionary abrasive, Abranet. This Orbital Sander with the dimension of 2.75" x 7.75" is recommended to use on small and medium size areas. The 3.0 mm orbit guarantees a good surface finish.