What is this bolt mechanism called?

[bennyboy1]

Does anyone know what this mechanism at the top of the bolt is called? It's for turning the bolt by hand. The flat metal 'finger' acts as a lever to turn the bolt using your fingers and thumb and it also pivots up and down. The bolt attached to the mechanism is M10. I want to get hold of something like this but haven't got a clue what to search for in google. Any ideas?

 

[Burnerman]

Not identical by any means but you may find that trailer 'antiluces' could work for you.
John

 

[bennyboy1]

Not identical by any means but you may find that trailer 'antiluces' could work for you.
John

Thanks, appreciate that. Yes its similar to what I want. The mechanism needs to be detachable though so I screw a bolt into it - all the antiluces seem to be either with bolts moulded on or can only be attached to a bolt by welding. Close, but no cigar!