Low profile body with rounded corners helps eliminate snagging. Serrated rear blade prevents glare and helps guide your eye to the sight. Target - narrow notch provides precise, open sighting for Bullseye or target competition. Round Ghost Ring - gives quick sight alignment for fast target acquisition. Diamond Ghost Ring - combines speed and accuracy in bright lighting conditions when used with fiber optic front sights. Mfg: Caspian SPECS: Steel, black, matte finish. Rear blade .423" (10.7mm) high .900" (22.8mm) wide. Target notch .128" (3.27mm) wide. Installation requires machining of slide. Ship wt.A 1/2 lb.