DMD doubled-sided diamond knife sharpener file for garden tools 400 600 Grit

Applied to the glass deburring
sharpening surface dimension:3/4''*4''
diamond grid:double side(400#600#)
package:blister and card
features:super strong plastic handle,comfort design
How to use
1.according to the situation of cutting tool choice knife surface,hold knvies
2.keep the sharpener along the blade,blade angle is moderate,with proper strength to pull back and forth still can,generally 3 to 5 times