The Vism Universal Pistol Rear Sight Tool is designed for removal, Installation, and Adjusting windage of dovetail rear sights. It works with many types of semi-auto slides: full, compact, sub-compact, and pocket sized. The base platform is adjustable for height to get your slide and rear sights at the proper height for the rear sight pusher. It includes one bottom spacer for some pocket pistol slides for proper height alignment. Multiple vertical and horizontal clamps allow you to secure various sizes and types of semi-auto slides in the tool. The adjustable top brace has a plastic insert to secure the slide’s vertical placement on the base platform.The adjustable side braces with plastic inserts secure the slide’s horizontal placement on the base platform. It includes 2 sets of side plastic insert (one each flat and stepped) to fit a wide variety of slide profiles. The rear sight pusher will work with 90 and 30 degree rear sight profiles and can remove, install, or adjust the rear sights in either direction. Side witness windows machined into both sides of the tool frame allow you to check for proper tool and rear sight alignment. The sight tool frame can be bolted to or clamped onto a work surface or clamped onto a vice. The rear sight pusher tool has an adjustable/removable handle. It features a heavy duty blue anodized aluminum frame with steel tools. The sight pusher steel screw has brash bushings for good bearing surface characteristics and excellent strength.