Property me the Surge bought because my Wave after 6 years continuous-usage has the spirit abandoned, and I wanted to have a bigger one. Special reason to buy were interchangeable with the new model wire cutter because someone thought has made real time. The rest is, of course, proven good quality, meaningful occupation and good features. Unfortunately, the idea, the watchmaker tool (the small slot / phillips screwdriver) with a large and a small slot to replace, in my opinion not as good. Nevertheless, absolute buy recommendation!