Spanner Size: 46mm, Available in Black. . . . . .
F1=Width-Ø, T=Total height, A=Height, H=Inner height, M=Thread size, F=Nut / Spanner width
|M :||M 30|
These M30 domed nut caps, also known as bolt protection caps, or thread protectors are used to cover and protect nuts & bolts from weather and give a clean finish to your job. Just push or knock them onto your nut or bolt heads, They are a tight fit and will remain in place