6mm Fits the below:- Vespa 100 steering lock + keys Vespa 100 sport steering lock + keys Vespa 150 gl steering lock + keys Vespa 150 sprint steering lock + keys Vespa 150 super steering lock + keys Vespa 50 special steering lock + keys Vespa 90 steering lock + keys Vespa et3 steering lock + keys Vespa p 125 x steering lock + keys Vespa p 150 x steering lock + keys Vespa p 200 e steering lock + keys Vespa primavera steering lock + keys Vespa px 125 e steering lock + keys Vespa px 150 e steering lock + keys Vespa px 200 e steering lock + keys Vespa rally 180/200 steering lock + keys