Model: 20mm x 20mm, Size: 300 x 20 x 20(L*W*H). 4pcs 2020 aluminum extrusion aluminum profiles rail - 300mm
Package contain: 4pcs 300mm aluminum extrusion
Protect: Each profile rail is covered with a layer of film to reduce scratches on the profile during transportation
2020 series aluminum extrusion connector set widely used for building industrial aluminum frame structures, 3D printers, CNC routers, CNC laser cutters, robotics projects
Note: The end is not tapped, and the size of the hole is 5mm. If you need to tap it yourself, the diameter of the thread groove you choose needs to exceed 5mm