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As @adroit says Bob makes his own springs (for the scissors and pliers layers only, IIRC). He can also make the side plates and liners in different materials such as ti, brass or copper and in colours and finishes. He also uses hardened stainless steel pins that are much more durable than the standard brass or nickel silver pins. The improved spring action comes from a better fit between the stiffer, larger diameter pins and the tools.
But basically, it's just a pimped swiss army knife. I'd love one but can't justify the price.
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And it was cheaper than my Featherstone and Durbar knife that only has a single blade. http://www.madeinsheffield.com/view_item.asp?productid=3593
Without trying to be rude or disparaging at all and as someone that spends more money than they need to on stuff quite regularly, what exactly is the difference between a $380 Robert Lessard custom Swiss army knife and a much cheaper victorinox?