Kitchen
R3 has independently scored 8 knife sharpeners for safety on a 0 to 10 scale. The average safety score is 7/10, 3 score 9.0 or higher, and Chef'sChoice Trizor 15XV EdgeSelect Professional Electric Knife Sharpener leads the category at 10/10.
Across the 8 knife sharpeners R3 scored, safety scores range from 2.3/10 to 10/10, with a median of 7.1/10. The distribution below shows how many land in each safety band.
Highest safety score
Chef'sChoice Trizor 15XV EdgeSelect Professional Electric Knife SharpenerSafety 10/10, the top of 8 knife sharpeners R3 scored.
Lowest safety score
Presto EverSharp Electric Knife Sharpener (Model 08800, 2-Stage)Safety 2.3/10, the lowest in the set, scored the same way as every other product in the category.
R3 has independently scored 8 knife sharpeners for safety, with an average safety score of 7/10 and a median of 7.1/10. Scores range from 2.3/10 to 10/10.
Chef'sChoice Trizor 15XV EdgeSelect Professional Electric Knife Sharpener has the highest safety score among the 8 knife sharpeners R3 scored, at 10/10. 3 of 8 score 9.0 or higher on safety.
| 5.5 |
| 5.1 |
| 7 | Lansky Deluxe 5-Stone Controlled-Angle Sharpening System (LKCLX) | 5.5 | 6.4 |
| 8 | Presto EverSharp Electric Knife Sharpener (Model 08800, 2-Stage) | 2.3 | 3.2 |
Source: R3 (2026). Safety scores on a 0 to 10 scale across 8 independently scored knife sharpeners.