This is a Fully Adjustable sight Set, White Outline, for the H&K 40 USP Pistol style pistols. This sight sits "Low Profile" and made to work with the front sight in the package. Additional wrenches are included in the package.
These are LPA brand sights that come from Italy, they are top quality. The rear sight is fully adjustable, for elevation and windage, so you may adjust it in any way to your liking to correct your pistols point of impact.