Fusion Standard Dovetail, White Dot sight set; Rear dovetail is the standard Doveail .325 height and .495 x 65 degree dovetail. Also comes Flat profile white dot front sight standard novak .330 x 65 degrees. CNC Machined from bar-stock. Base also has retaining screws to lock it into the dovetail…. Black Oxide finished, Comes complete with retention screw and hex wrench. Made in the USA These are a direct replacement sights for the popular novak sight cuts used on most modern 1911 style pistols and many others.