Dadi ad ala farfalla in nylon per viti in nylon bulloni nero/bianco/rosso/blu/giallo
【Easy to Use】Butterfly twist nuts are easy to install and disassemble without any other tools, just twist the nuts by hand, and can be used repeatedly. - Material: Nylon. ● Good quality. - Size: M3 M4 M5 M6 M8 M10 M12.