Enhanced accuracy and control: The standard design and precise Trail joints significantly improve working accuracy and ease of use. Durable aluminum alloy construction: Made from aluminum alloy for a strong, rigid structure with long service life. Practical joinery guide connectors: Suitable for joinery setups, these connectors simplify cutting and make operations more practical. Complete 4piece set for secure installation: Includes four pieces that install into cross slots to fix the guide firmly, providing smooth contact surfaces and smooth sliding. Wide compatibility: Designed for crossslot and Tslot systems, easy to integrate with standard profiles and tracks. What you get: 4 joinery guide connectors. Use scenario 1: In woodworking, attach the connectors to a crossslot track to guide a router or saw for straight, repeatable cuts. Use scenario 2: In cabinet making, use the connectors to align frames, doors, or shelves with repeatable precision. Use scenario 3: In metalworking with aluminum extrusion frameworks, fix and guide drilling or cutting operations along a precise line.