Pneumatic Angle Polishing Sander LSV29. High torque for low speed. Pneumatic Angle Polishing Sander LSV29 is a small yet powerful sander that improves working conditions and gives better sanding results with minimum maintenance. The LSV29 comes in various speeds to meet your specific needs. Features Benefits.Our buffing and sanding machinery has a beneficial variety of features designed for professional results, including • Throttle control • Lower sound levels • Comfort grips • Full contact control • Dust vacuuming We carry the brands you need in your shop, including ALC, Astro Pneumatic, Dynabrade, Hutchins and.