The blade is very sharp. Interesting product and it's good for when you can't carry a full set of chisels. What might not be obvious from the picture, is that the end is plastic, so you will need a mallet to hit it with, if that's what you need to do.
This review is also available at Amazon: https://www.amazon.co.uk/review/RJSEE7SRJR4WX/ref=cm_cr_rdp_perm.