I have the x25 fiskars. The x27 is 8" longer. Perhaps I need the x27?
Someone tell me I need it so I can justify the purchase..
You could also just treat yourself to a forged Gränsfors maul
I've handsplit about 30 cubic meters of hardwood annually since I started working in the woods at age 19 and it is hands down the best splitting tool I've come across.
It even beats my two generations of loggers old DSI maul. Not for hammering wedges into trees, though