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The Meguiar's MT300 is a corded dual-action polisher built for compounding, polishing and waxing paint on cars, RVs and boats. Its 540-watt motor runs 3,000 to 7,500 orbits per minute with a thumb dial, and Digital Torque Management adjusts torque to hold speed under load. A billet counterweight on a multi-bearing design keeps vibration down, and the removable multi-position D handle adds control. It is a pro-grade tool aimed at detailers and paint shops rather than casual weekend waxers.
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Lowest price we've seen: $167.99 on Nov 12 at Fleet Farm. Tracked across 12 stores since Nov 12.
Rated 4.4 out of 5 from 27 ratings, the MT300 is generally well regarded for smooth operation and steady speed under load. Complaints center on its pro-oriented price and the extra backing plates needed.
The Meguiar's MT300 is a corded, variable speed dual action polisher for compounding, polishing or waxing a car, RV, boat and more. It is designed for professional detailers and car painters.














