This Litewave sight set is for Ruger 10/22. The front sight is .400″, made specifically for this 10/22 set to be height specific for the rear sight. The rear sight is features a folding blade and elevation adjustment. The height, from the bottom of the dovetail to the bottom of the notch in the lowest elevation adjustment is .350 inches, and .450 inches at the highest elevation adjustment. All specs match Ruger drawings, so this set fits any standard barrel Ruger 10/22, carbine and takedown model. It includes a Litepipe removal tool and interchangeable Litepipes in red and green.