Truglo TFX Pro Tactical Sight Set Fits H&K 45 VP9 VP40 P30 P30SK P30L & 45 Tactical TG13HP1PC. They created the original TFO(R) day / night sight then made it virtually indestructible with their hermetically-sealed TFX(TM) sights. Now they are taking TFX(TM) technology to the next level for professionals and shooters who demand maximum performance from their handguns-providing ultimate reliability accuracy and brightness no matter how tough things get. Contrasting colored front sight ring for even faster focus. Quick and accurate U-notch Design. Angled rear sight edge for emergency one-hand operation.