Tumbler
Tumbler Original Rolling Knife Sharpener (Diamond)
$129Cheaper
Best Knife Sharpeners · head-to-head
Tumbler Original Rolling Knife Sharpener (Diamond) vs KME Precision Knife Sharpening System
A sourced, side-by-side comparison. Tumbler Original Rolling Knife Sharpener (Diamond) is cheaper at $129. Every spec and price links to its source.
KME Sharpeners
KME Precision Knife Sharpening System
$219.95
Which is better: the Tumbler Original Rolling Knife Sharpener (Diamond) or KME Precision Knife Sharpening System?
On the specs we track, they're closely matched. The Tumbler Original Rolling Knife Sharpener (Diamond) is the cheaper at $129.
See Tumbler Original Rolling Knife Sharpener (Diamond) on Amazon See KME Precision Knife Sharpening System on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Tumbler Original Rolling Knife Sharpener (Diamond) | KME Precision Knife Sharpening System |
|---|---|---|
| US price | $129 | $219.95 |
| Brand | Tumbler | KME Sharpeners |
| Released | — | — |
| Sharpening angle range (°) | 15, 20 (two preset angles) | 17-30, 1-degree increments |
| Abrasive grit options | diamond sharpening disc + EDGEBOOST steel honing finish (single-grit diamond, no multi-grit set) | 140 (X-Coarse), 300 (Coarse), 600 (Fine), 1500 (Extra Fine) |
| Sharpening method | manual | guided |
| Abrasive type | diamond + steel honing | diamond (Gold Series hones); also compatible with Arkansas and India stones |
| Num stages or stones | 2 | 4 |
| Clamp blade compatibility | magnetic blade holder, straight-edge knives only, not for serrated blades or scissors | 360-degree rotational clamp with neoprene padded jaws |
| Motorized | No | No |
| Base mounting stability | handheld solid-wood rolling base (walnut/oak) | cherry hardwood pistol-grip stone carrier; base sold separately (not included in this kit) |
Sources — Tumbler Original Rolling Knife Sharpener (Diamond): tumblerware.com (verified 2026-08-11). KME Precision Knife Sharpening System: kmesharp.com (verified 2026-08-11).
What's the difference between the Tumbler Original Rolling Knife Sharpener (Diamond) and KME Precision Knife Sharpening System?
Where the two actually differ on the specs we track (7 of 8). Matching specs are omitted.
- Sharpening angle range (°): Tumbler Original Rolling Knife Sharpener (Diamond) 15, 20 (two preset angles) vs KME Precision Knife Sharpening System 17-30, 1-degree increments
- Abrasive grit options: Tumbler Original Rolling Knife Sharpener (Diamond) diamond sharpening disc + EDGEBOOST steel honing finish (single-grit diamond, no multi-grit set) vs KME Precision Knife Sharpening System 140 (X-Coarse), 300 (Coarse), 600 (Fine), 1500 (Extra Fine)
- Sharpening method: Tumbler Original Rolling Knife Sharpener (Diamond) manual vs KME Precision Knife Sharpening System guided
- Abrasive type: Tumbler Original Rolling Knife Sharpener (Diamond) diamond + steel honing vs KME Precision Knife Sharpening System diamond (Gold Series hones); also compatible with Arkansas and India stones
- Num stages or stones: Tumbler Original Rolling Knife Sharpener (Diamond) 2 vs KME Precision Knife Sharpening System 4
- Clamp blade compatibility: Tumbler Original Rolling Knife Sharpener (Diamond) magnetic blade holder, straight-edge knives only, not for serrated blades or scissors vs KME Precision Knife Sharpening System 360-degree rotational clamp with neoprene padded jaws
- Base mounting stability: Tumbler Original Rolling Knife Sharpener (Diamond) handheld solid-wood rolling base (walnut/oak) vs KME Precision Knife Sharpening System cherry hardwood pistol-grip stone carrier; base sold separately (not included in this kit)