Solid-steel sight is fully adjustable for windage and elevation; provides a primary sight when hunting dangerous game and a scope is not practical, or an emergency backup. Furnished with .093" and .125" diameter apertures; allows you to shoot very accurately, even under poor light conditions. Fits Weaver-style or Picatinny base, may be easily removed and returned to zero every time. Mfg: Necg SPECS: Steel, blue finish. 1-1/8" (2.9cm) long, 1-A 1/2" (3.8cm) wide, 1" (2.5cm) high. Aperture - 7/32-40 thread, accepts Williams and Merit sight discs.