1. HeavyDuty CorrosionResistant Build Crafted from aerospacegrade aluminum alloy for rugged durability, paired with an electroplated iron screw that withstands heavy use. Built to resist rust and last through years of range sessions or garage gunsmithing. 2. SquareSlide Specific Design Designed for square slides (common on 1911/Glock platforms). Not compatible with angled or notched slides like Springfield XD/XDM or SW Shield models. 3. Precision Control The actuator tool features fine adjustment threads and a sideview window for precise fine adjustments, and the fixed slide sides and bottom platform are designed to stabilise the barrel. Spacers on the fixture are designed to protect the barrel from abrasion and scuffing. 4. Easy to operate. This sight pusher tool is simple to operate, just align the tool with the rear sight and make quick and accurate fine adjustments by adjusting the proper components for smooth use.