thank you all for the reply's about the BSA standard light here are some photos i hope will give you more of a clue
[IMG]2021036_153031[/IMG]
[IMG]20210306_153040[/IMG]
[IMG]20210603_153048[/IMG]
[IMG]20210306_153053[/IMG]
[IMG]20210306_153102[/IMG]
[IMG]20210306_153901[/IMG]
[IMG]20210306_153000[/IMG]