[Product Type]2020 Series L joints brackets.[Material]Electrophoresis Metal,has excellent features in high abrasion resistance, rust proof and stability.[Advantage]Concealed corner brace, the L corner bracket can be completely hidden in the slot of the aluminum extrusions. Suitable for 2020 european standard aluminum profiles slot 6mm And other suitable size profiles.[Widely Used]Compatible with all 20 series fasteners and accessories. Suitable for 3D printer, CNC build, workbenches, lasers, brackets, furniture, fitness equipment, precision printers, automatic cutting machines, etc. Applied in science, electronics, labs, home technology projects, displays/exhibitions, robotics, etc.Colour:BlackMaterial:MetalPackage Contents:24 x 2020 connectors (including screw)1 x wrenchOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.