The NcStar Vism Universal Rear Sight Tool is designed for: removal, installation, and adjusting windage of dovetail rear sights for most semi-auto pistol slides. The Vism works with many types of semi-auto slides: full, compact, sub compact, and pocket sized semi-auto pistols. The base platform is adjustable for height, to get your slide and rear sights at the proper height for the rear sight pusher. Includes one bottom spacer for some pocket pistol slides for proper height alignment. Multiple vertical and horizontal clamps secure various sizes and types of semi-auto slides while the adjustable top brace with plastic inserts secure the slides horizontal placement on the base platform. The rear sight pusher will work with 90 degree 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 tool frame to check for and verify proper tool and rear sight alignment. Sight tool frame can be bolt...