The big one is 60 mm (2.4") long, 13 mm (0.5") wide.
The small one is 45 mm (1.8") long and 8.5 mm (0.3") wide.
That's quite a lot calculating that tape only raises the spine less than a 1mm... You could of course order and try. You can still use them for your kitchen knifes if they don't work on your razor (which would be my guess).