The cap made of plastic is perfect for plugging aluminum 2020 profiles. The plug protects the profiles against the ingress of undesirable substances. The end cap fits well into our 2020 aluminum profile, which has a specific groove on 4 sides, so you can create a structure that allows linear movement. End caps are one of the elements needed in the production of frames for machines and 3D printers. Thanks to the good fit and weight, the structures made of profiles are easy to install and very stable. These connectors are suitable for the construction of: * 3D printers, * CNC milling machines, * laser cutters, * plasma cutters, * robots, * furniture, * sliders, * camera and camera guides, * frames, * and many other machines and devices. The product is recommended for both hobby users and professionals. Aluminum elements of the "20" series are mainly used for light structures. https://elecena.pl/product/22621463/end-cap-for-2020-aluminum-profiles-tslot-t-nut-tnut-10-pcs 2023-02-23 https://elecena.pl/product/22621463/end-cap-for-2020-aluminum-profiles-tslot-t-nut-tnut-10-pcs 2025-10-29