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The Milwaukee 2684-20 is an 18V brushless dual-action polisher sold as a bare tool, so it runs on the M18 batteries you already own. It has an 8-position speed dial, a variable-speed trigger and a trigger lock, with a 15mm orbit and a 5-inch backing plate capacity. That orbit and speed range put it in the same class as corded DA polishers for paint correction and finishing, without a cord to drag across panels. Owners like the balance and the battery clearance that keeps the pack off the paint. It is heavier and bulkier than a corded DA, and it needs M18 batteries and a charger that are not in the box.
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In stockSold by Home Essentials DirectReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $319.72 on Nov 9 at JB Tools. Tracked across 5 stores since Nov 9.
Owners rate it highly as a cordless DA that matches corded performance for most jobs. The main complaints are battery drain during long correction sessions and the cost of buying into the M18 platform if you are not already in it.
Milwaukee 2684-20 18V Polisher Polisher provides variable speed trigger, 8 position speed dial,RPM settings anywhere from 2,400 RPM to 4,500 RPM and trigger lock-on button. Designed with a 6" pad capacity. Delivers corded power while being able to go from task to task more easily with the cordless design. Polisher is comfortable to use with its ergonomic design, optimizes its center of balance and has 2.17" of battery clearance.
