Type/Color: F8 Tritium Front & Rear Size/Finish: Sig/Springfield/FN 509 Material: Steel, Tritium Other FEATURES: Large High Contrast Front Tritium Sight W/Orange Dot, Wide Notch Rear Tritium Sight, Easy Install By Hand Or Sight Pusher Tool Other FEATURES2: Fits Sig P320,P225,P226,P229, Springfield XD, XDM, XDS, FN 509 Dimension: 1.35 X 4.90 X 7.95 Height: 1.35 Width: 4.9 Length: 7.95