Evolution R255+ Sliding Mitre Saw Having bought and reviewed the  Evolution Rage 3S  about a year ago, it's now time to have a look at its big brother, the Evolution R255+ Sliding Mitre Saw. Full disclosure: Evolution Power Tools sent me this to review, and I have received no payment. I've seen the basic model on sale for about £150-£170. The Plus model, which I reviewed, is about £20-£30 more. The first thing you notice as you open the box and decant the contents, is its size. It's ENORMOUS! There's a single-sheet assembly diagram, accompanied by a small booklet of detailed instructions. Both these items use line drawings rather than photographs, and they are extremely clear. Assembly is quite straightforward, but I did make the error of inserting the slide rail unit upside down and it wasn't until I'd fitted the machine head and tried to fit the slide rail cover that I realised. So I had to do a bit of disassembly. Get the handle the right way up ...