TruGlo TFX PRO H&K P30/VP9/VP9SK Fiber Optic Night Sight Set. TruGlo created the original TFO day/night sight, then made it virtually indestructible with their hermetically-sealed TFX sights. Now, TruGlo is taking TFX 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. We understand that sometimes things can go wrong, you may order the wrong size, wrong part, etc. Go Outdoor Gear is a family owned and operated company. With a passion for the outdoors and a desire to offer the best products at the lowest prices, Go Outdoor Gear has grown into a trusted source for the best outdoor sporting goods products. As a family owned and operated company we treat everyone the way we like to be treated. Every customer is highly valued, treated with the utmost respect, and we pride ourselves on offering a personalized customer service experience that is second to none! Someone on our highly trained customer care team will respond to you within 24 hours. Gun Gear & Shooting.