My advisor told me he had some sheet with ad for pipette tips used to cut bands from gel. However he didn't have it anymore so he couldn't tell me the official name nor brand.
I just ordered some and will be trying them out in the not too distant future. In terms of length, they cover the length of our gel combs so that part is fine. The width does sound small, but it depends on if you want purity or yield more. Then smaller width means you are maybe getting the center 80% of your band and no neighboring bands which is what I am hoping for in my case.