Hi, guys. I was doing some web searching and came upon this sharpener made by DMT. I've never seen it before, though it looks like it's been out a while. It's 3 1/4 x 2 x .05 inches in size, comes in course, fine and extra fine and goes for about $11. I'm thinking it might be a nice way of carrying a sharpener on you, either in your wallet (if it's flexible enough) or in your PSK. It's small enough to fit in an Altoids tin, and will fit right next to the signal mirror I carry in my belt pouch/PSK.