Love 'em. Not only do they look much, much better than the stock mirrors, but they also ended up working like bar end weights as well. Before the Napoleons, I was getting some vibration numbness, now there's nothing. Beautiful how things work out sometimes.
I removed the original bar end caps, of course, but I didn't want to drill out the plugs or re-tap them to fit the bolts that came with the Napoloens. I used a 5mm x 50 (80 pitch) Allen head bolt, but the head was almost too small, and could have ended up jamming in the mirror mount. I found a couple of perfectly sized black washers in my junk drawer to keep the Allen head from jamming. A quick trip to the hardware store netted me a couple of aluminum spacers to fill the space around the bolt, and a couple of stainless lock washers.
And of course, here they are mounted.
I took these pics in an a Target store's underground garage because it gave me the opportunity to inflict my TORs on the plebes.

The more I ride this bike and the more I play with her, the more I love her. :-D