The pwz is made by bacho for snap on so you can get the same wrench much cheaper from them.
FYI, this is actually not true. They are not cheap no matter where you buy them.
Sometimes they show up on ebay, but only for maybe $15 off retail. Bahco and snap-on 17 inch models are otherwise the same price (even sourced from europe).
Edit: If you actually need the tool, buy it from snap on. Knipex is a bit cheaper, but arguably less developed take on the same design. You'd have to import it to get any real savings tho.
Edit 2: USA Industrial brand warranty ***** and you will lose the $15 shipping the tool in for service if it ever needs it anyway. Snap on tends to cover alot more issues as warranty repairs from what it seems reading most threads.