ensuring that the jaws fit the knife back surfaces and free access to the blade for sharpening

this is not a defect

It is preliminary lapped to ultra-fine grit

PSA-backed (pressure sensitive adhesive) lapping film is extremely easy to use

Chisel Attachment is an optional attachment for sharpening chisels and planer blades on Zhuk knife sharpener

atago stone edge pro ensuring that the jaws fitAtago Whetstones are used for finish sharpening on Hapstone and Edge Pro knife sharpeners. Atago () Whetstone is mined in Japan. Atago is ultra fine natural stone with the LV4 hard rating. Atago stones are universal and can be used to sharpen knives of any steel. Atago is preliminarily lapped and does not require lapping after purchase. Atago should be used with water as a lubricant. All that is required is to wet the stone surface. There is no need