[elecena] GN653.2-M4-21-ST - zmiany ceny Pokrętło; Ø: 16mm; Gwint zew: M4; 5mm; H: 21mm; stal; GN 653.2 GN653.2-M4-21-ST - 12.93 PLN https://elecena.pl/product/29105318/gn653-2-m4-21-st 2025-07-17 GN653.2-M4-21-ST - 13.68 PLN https://elecena.pl/product/29105318/gn653-2-m4-21-st 2026-02-17