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The Gewna is a corded dual-action orbital polisher with a 980W motor and six speeds from 2,800 to 5,800 rpm. It ships with two backing plates (5-inch and 6-inch), a D-handle, a side handle, spare carbon brushes and a bag, so it covers compounding and finishing without extra buys. The dual-action orbit is gentler than a pure rotary, which makes it a reasonable first machine for paint correction and for polishing furniture, glass, wood and metal. At 4.6 lb it is light for its class, but it lacks a warranty and NRTL safety certification, which is where established brands like Porter-Cable and Griot's pull ahead.
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Lowest price we've seen: $69.99 on Nov 12 at Walmart. Tracked across 1 store since Nov 12.
Rated 4.3 out of 5 across 77 ratings, buyers generally find it capable for the money and easy to control. Complaints center on the lack of pads in the box and on long-term durability questions.
The Gewna Dual Action Car Detailing Polisher is a corded electric random orbital polisher for automotive and home use. It has a 980W copper wire motor and six variable speeds from 2800 to 5800 rpm. The random orbital design helps reduce damage to surfaces, which makes it suitable for beginners.
It has detachable handles and a switch lock function for easier control. It comes with 8 detachable pads and can be used on surfaces including glass, wood, aluminum, steel, tiles, plastic and furniture.
