Useless 62

Unfortunately, I do not succeed to open this opener cans me. Three doses it works for a. Thankfully most cans have nowadays a tab to open it. The other must now ran my pocket knife. The total letdown. The device works only when the edge of the box exactly matches the assumed by NC dimensions. Unfortunately, these dimensions but do not seem to be complied with by can makers.
Unangenhm is this safety principle then you can not see whether the cutting is successful. If he then you open the can this happen almost unnoticed. One has to be very careful so that you will not be surprised.