These images are from Morini USA the first is the lighter springs. Morini Franco USA
Or call Hermie at Herdan Welcome to Herdan Corp.!
he is a great guy to talk to if'n he's not swamped busy. None the less a great guy to talk to for a second! I think they run a restaurant too? Dunno?
But look at your springs and how thick the coil ribs are should be able to tell.