Chef's Choice Diamond UltraHone Knife Sharpener, Model 312. This compact professional electric 2-Stage knife sharpener sharpens both straight edge and serrated 20 degree class knives to better than factory edges in just minutes. Stage 1 uses 100% fine diamond abrasives to create the first bevel and Stage 2 Ultra Hones the edge using advanced micron size 100% diamond abrasives to complete the second bevel. Theprecisely formed conical diamond abrasive disks gently apply optimal sharpening pressure, guaranteed to never detemper the edge. Highly-precise knife guides automatically position and stabilize the knife as you sharpen for fast, fool proof results. It's ideal for sharpening all types of knives, including kitchen, household, sporting and pocketknives.

Finish: White

Number of Sharpening Stages: 2

Abrasive: 100% diamond abrasives

Sharpens both fine edge and serrated knives: Yes

Length: 8 inches

Width: 4-1/2 Inches

Height: 4 inches