Electric Knife Sharpeners
Chef's Choice 312 UltraHone Electric Knife Sharpener for Straight and Serrated Knives Diamond Abrasives Precision Angle Control, 2-Stage, White
Sharpens both straight edge and serrated knives to better than factory sharpness Two stage sharpener with precision angle control 100% diamond abrasives in stage 1 and 2 Advanced micron size 100% diamonds in Stage 2 Fast, foolproof results, Weight: 4.0...
https://www.bizrate.co.uk/electricknifesharpeners/chefs-choice-312-ultrahone-electric-oid5152161156.html