Can you guess what it is yet?

[EltonFrog]

start / finish line

Close enough. It's a timing sensor at a finish line.

 

[roadrash]

ok here goes, close up and out of focus

 

[EltonFrog]

ok here goes, close up and out of focus

View attachment 341715

Pen?

 

[roadrash]

Jeans?

the other bit

Pen?

nope

@rich p's pint?

nope

 

[AndyRM]

Rivet?

 

[roadrash]

Rivet?

no

 

[jonny jeez]

Bottom.of a chair leg

 

[Milkfloat]

Close enough. It's a timing sensor at a finish line.
View attachment 341713

Blimey - David Cameron is looking old.

 

[roadrash]

Bottom.of a chair leg

another no

 

[Tin Pot]

Bell

 

[roadrash]

Bell

nope

 

[User6179]

Map wheel?

 

[roadrash]

no..... I don't even know what a map wheel is

 

[EltonFrog]

Lighter,

Kitchen blow torch

 

[roadrash]

no again , do you want the next photo yet