Try jjc race and rally
www.jjcraceandrally.com
i got some for my bonnet, they are aluminium, spring loaded, lie flat with the bonnet But are Not Lockable
Called - PITKING QUICK RELEASE PUSHCLIP IN SILVER - PKPQRPCS
But they are £26.80 each
Will try to up load a pic of mine in situ but I'm not very good with this technology thing
Cheers
Trev