I put this on my Ultrasabers Bane, and it looks better on it than the red did, it certainly makes it more personal and makes it "pop".
This thumb screw goes perfectly with brass aesthetics on a hilt- if your a brass nut, give one of these a go. Great thumb screw overall, the second picture is poorly lit and does it no justice. The whole screw is the same color.
Adds a very nice visual effect to your saber. I used mine in addition to trim ring three (gold).