Fit for 2020 series Aluminum extrusion.Major components are made of aluminium alloy, which is firm and durable.Rigid connection, used to connect pieces of 20mm aluminum extrusion at a 90 degree angle Recommend to use M5 2020 Series T Nuts, these t slot nuts let you attach plates, brackets, and other parts to standard 20mm aluminum extrusions.Widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects. Specification:Material: Aluminium AlloySurface treatment: AnodizingNumber of holes: 5Hole Diameter: 5.5mm / 0.22"Total Size: 60mm x 60mm x 4mm / 2.36" x 2.36" x 0.16" (L*W*T) Package Content:2 x L Type Plates.
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