Adam's Swirl Killer Mini 12mm
A spot-correction polisher for tight areas, as a companion to a full-size long-throw machine.
Amazon $149.99$149.99
The Adam's Swirl Killer Mini 12mm is the better dual action car polisher overall, rated 3.0 to 2.7. The Porter-Cable 7424XP wins on warranty. The Adam's Swirl Killer Mini 12mm costs $9.01 less ($149.99 vs $159).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Porter-Cable 7424XP
A long-running, well-supported polisher with a three-year warranty, though its maker doesn’t publish the orbit size.
Amazon $159$159
Which should you buy?
- Choose the Porter-Cable 7424XP for warranty (3-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every corded short-throw dual action car polisher; a clear win is highlighted. How we rank explains each one.
| Factor weight | Adam's Swirl Killer Mini 12mm | Porter-Cable 7424XP |
|---|---|---|
| Overall rating | 3.0/5 | 2.7/5 |
| Correction 30% | 44 12 mm orbit | 0 orbit not published, scored as the smallest |
| Value 25% | 77 $149.99 | 74 $159 |
| Warranty 15% | 0 1-year warranty | 50 3-year warranty |
| Power 10% | 50 motor rating not published (neutral score used) | 20 4.5 A, about 540 W at 120 V |
| Weight 10% | 50 weight not published (neutral score used) | 62 5.5 lb |
| Features 10% | 0 none of the listed features | 0 none of the listed features |
Specifications
| Adam's Swirl Killer Mini 12mm | Porter-Cable 7424XP | |
|---|---|---|
| Polishing | ||
| Orbit diameter | 12 mm | - |
| Speed range | up to 5,500 OPM | 2,500-6,800 OPM |
| Backing plate | 3 in | 6 in |
| Forced rotation | No | No |
| Power | ||
| Power source | Corded | Corded |
| Motor rating | - | 4.5 A |
| Brushless motor | Not listed | Not listed |
| Controls | ||
| Constant-speed electronics | Not listed | Not listed |
| Soft start | Not listed | Not listed |
| Lock-on trigger | Not listed | Not listed |
| Build | ||
| Weight | - | 5.5 lb |
| Pads or polish included | No | No |
| Warranty | 1 year | 3 years |