- Chef’sChoice ® ProntoPro ® Professional Manual Knife Sharpener 4643. 12.25″Wx6.75″Dx6.88″H
100% diamond abrasives
Plastic housing
Crisscross ® sharpening technology
Sharpens to 15° or 20°
3-stage sharpening
Sharpens serrated and straight-edge knives
Creates double-bevel edge
Ergonomic soft-touch handle
Wide sharpening slots
