Remember to order a backbore to go with your new top!
The KT Top was designed for commercial lead lead trumpet players. It produces a bright opulent sound suitable for shows, big band, and pops work.
Shallow V "Hammock" style rim slopes inward - no "undercut".
Inside diameter: 0.640"
Outside diameter: 1.090"
This top should be tried by 13a4A players who have trouble with bottoming out.