1. Specification: Package includes 2 pieces of alloy mitre track stoppers.2. quality materials: The Tslot mitre rail stop is made of quality aluminum alloy with a smooth and textured surface. Thanks to its hardness, wear resistance, and corrosion resistance, it is designed for longterm use.3. Multifunction: The ergonomically designed woodworking slide guide rail stopper is extremely userfriendly and an indispensable helper for woodworking. It can be easily positionedsimply insert it into the slide, adjust to the desired position, and then fix it on the stopper.4. Easy to use: To use the guide rail stopper, first place the beveled stopper on the slide rail. Then press the length guide rail stopper to the desired position and adjust the Tslot stopper on the fixed stopper.