Product Description The smooth strength and power of the dual-action geared air sander lets you remove heavy material and body filler on large, flat surfaces, leaving a clean, swirl-free finish. Amazon.com See larger image. The smooth strength and power of the 328B Air Geared Orbital Sander enables you to remove heavy material and body filler on large, flat surfaces, leaving a clean, swirl-free finish. Every detail is shaped to fit your hand perfectly and the lever throttle takes pressure off of your palm. You get the power and precision you need so you can do your best, most sophisticated work. What's in the Box328B Air Geared Orbital Sander, 8-inch pad, operating instructionsAbout Ingersoll RandIngersoll Rand designs, builds, and delivers an unrivaled assortment of hard-working products and solutions. Ingersoll Rand is a multi-billion dollar global company that has built a reputation for keeping its customers up and running for over a century. From our complete compressed air systems, to our tools, pumps, material handling systems and comprehensive services, Ingersoll Rand offers the depth of knowledge, expertise, and experience to provide the best solution to meet your needs.Specifications Power Free Speed RPM Pad Diameter Orbit Diameter Average Air Consumption Air Consumption @ Load 0.25 hp (0.19 kW) 825 8 inches 5/32-inch 4 cfm (113 L/minute) 16 cfm (453 L/minute) Sound Pressure / Power Vibration Air Inlet NPTF In Minimum Hose Size Product Weight 90.5/93.7 dBA 4.6 m/s2 1/4-inch 3/8-inch (10mm) 4.7 pounds 328B Heavy Duty Air Geared Orbital SanderAt a GlanceDual-action pad motion (5/32-inch orbit)Long-life, low-vibration performanceBalanced ball bearing construction1-year limited warranty From the Manufacturer All of the latest advances have been designed into Ingersoll Rand's random orbital and orbital series sanders. Every detail is shaped to fit your hand perfectly and the lever throttle takes pressure off of your palm. You get the power and precision you need so you can do your best, most sophisticated work. The smooth strength and power of this air geared orbital sander lets you remove heavy material and body filler on large, flat surfaces leaving a clean, swirl-free finish. See more