Ingersoll-Rand (8103MAX 3/8" Random Orbital Sander Exhaust silencer includes a multi-stage noise suppression filter for the quietest operation in its class with no sacrifice in performance Patented throttle lever design provides stable, ergonomic hand support Ergonomic Grip is uniquely designed with an anti-slip rubber compound, providing the ultimate in comfort and style Low vibration and light-weight ergonomic design reduces operator fatigue