Used for 6mm slot standard 20mm aluminum extrusion profiles.Made of carbon steel, zinc plated finish, good rust and durable to use.To connect aluminum profiles straight lengthened connection between two profiles.Built-in connection with beautiful and simple features. Widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects.Package come with the screws for easy installation. But it would be hard for us to know the length of the screw your particular project would require, you can substitute other suitable screws by yourself if you think you need it. Specification:Material: Carbon SteelFinish: Zinc PlatedHole Quantity: 4Screw Hole Size: M5Screws Size: M5 x 6mm / 0.2" x 0.24" (Thread.Dia *L)Slot: 6mm / 0.24"Total Size: 100mm x 10mm x 5mm / 3.94" x 0.39" x 0.
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