XS 24/7 Express sights are the finest sights made for fast sight acquisition in all light conditions. Day Light, Half-Light, or Low-Light, just "dot the I". Fast, simple and effective. This is the ultimate self defense sight system that provides sights you can see around the clock.Big Dot front tritium night sight with white bar rear combat sight. Fits P380 only.Will not fit Kahr models CT380, CW380 and "CA Approved" P380.