These blade #'s have me puzzled. Is there a photo somewhere to see what shape corresponds to what #. I was looking at them on ebay and was confused #3 handle with #14 blade. What the hell does that tell me unless I am a Doctor
Both the X-acto and a scalpel can use a couple of different in shape cutting edges that are interchangeable of course. To keep an order these have numbers for each of these tools. While the X-acto blades can be used for the general and a little bit more accurate cutting , the scalpel ones are more precise. But it is my opinion only. Here a few examples....