This is a set of 10 M5 T-nuts. These nuts are specifically designed to provide a strong connection with aluminum frames, such as the commonly used 2020 profiles. They are easy to install and offer a robust and reliable solution for your construction projects. https://elecena.pl/product/27739051/opencircuit-m5-hammer-nuts-2020-10-pcs 2025-01-22 https://elecena.pl/product/27739051/opencircuit-m5-hammer-nuts-2020-10-pcs 2026-02-20