WORKPRO 6" Dual Action Polisher
A low-cost 15 mm polisher kit for occasional waxing and light polishing at home.
Amazon $69.99$69.99
15 mm1,080 W6 in
3.4/5
The lowest-priced 21 mm polisher from a detailing brand, for quick correction on large vehicles.
- 21 mmOrbit
- 2,200-5,000 OPMSpeed
- 1,000 WPower
- 1 yearWarranty
Check price at Amazon$258.99
Price checked November 8, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 21 mm orbit for fast work on large panels
- Costs less than half of most 21 mm polishers
Cons
- One-year warranty
- Big 6 in pad struggles on tight curves
The Maxshine Pro family
Every Maxshine Pro model we rank, smallest first. Ratings compare each against its own type.
| Model | Orbit | Rating | Price |
|---|---|---|---|
| Maxshine M15 Pro Polisher Kit | 15 mm | 3.0/5 | $275.99 |
| Maxshine M21 Pro (this one) | 21 mm | 3.4/5 | $258.99 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | M21 Pro |
|---|---|
| Polishing | |
| Orbit diameter | 21 mm |
| Speed range | 2,200-5,000 OPM |
| Backing plate | 6 in |
| Forced rotation | No |
| Power | |
| Power source | Corded |
| Motor rating | 1,000 W |
| Brushless motor | Not listed |
| Controls | |
| Constant-speed electronics | Not listed |
| Soft start | Not listed |
| Lock-on trigger | Not listed |
| Build | |
| Pads or polish included | No |
| Warranty | 1 year |
Alternatives in this type
Adam's Swirl Killer 21mm
A 21 mm polisher at a modest price for large flat panels, though its maker publishes little beyond the orbit.
Amazon $229.49$229.49
21 mm
RUPES BigFoot LHR21 Mark V
A 21 mm polisher for big, flat panels on trucks, vans and boats, for professionals who already own a smaller machine for tight spots.
Amazon $594$594
21 mm500 W6 in
Compare
Compare the Maxshine M21 Pro with any other dual action car polisher →
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