Lyman™ Globe Sight w/ Inserts - 17AHB .404 High Peep Sight - 3171076The Lyman 17AHB . 404 High Globe Sight is machined from a solid piece of steel. The Globe Sights are . 404" high, measured from the bottom of the dovetail to the center of the aperture. The Lyman Globe sights include 8 target inserts that are locked in place with a threaded cap. The interchangeable inserts include 2 post inserts (. 050" and . 100" wide), 1 bead insert (. 062") and 5 aperture type inserts. These Lyman Globe Sights are great for close