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The Flex FC3321-Z is a corded 120V random orbital polisher built around a brushless motor. It holds speed under load with constant-speed electronics, up to 4,350 RPM and 8,700 OPM, and an 11-speed dial plus variable-speed trigger let you match the setting to compounding, polishing or finishing. Vibration suppression and a quieter gear head make long sessions easier on the hands and ears, and the lightweight body with an ergonomic grip keeps control precise. It ships with both 5-inch and 6-inch backing pads, so it covers most pad sizes out of the box. It is a serious tool for paint correction and detailing rather than a casual first polisher, and its brushless motor and dual-pad setup put it ahead of many single-pad rivals on durability and flexibility.
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Lowest price we've seen: $499.99 on Nov 7 at West Marine. Tracked across 1 store since Nov 7.
Owners describe it as a powerful, controllable polisher that gets results fast. They single out the handle for control, the quiet operation and the sturdy housing, and call it lightweight and easy to carry for its class.
The Flex FC3321-Z is a 120V brushless random orbital polisher that runs on AC mains power. The brushless motor delivers high power and greater efficiency, and it eliminates motor maintenance.
Constant speed technology maintains RPMs under pressure, up to 4,350 RPM and 8,700 OPM. Vibration suppression reduces fatigue, and an improved gear head reduces high-frequency noise.
The body is lightweight with an ergonomic grip for precise control. An 11-speed control dial and a variable speed trigger set the speed.
