Sterling Silver Butterfly French Earring Hook with CZ. The Butterfly Is Also a Pinch Bail for Attaching Other Beads or Components.
 
Size of Hook: Approx. 20 x 16mm 
Thickness of Hook:  Approx. 0.6mm
 
Quantity: 2pcs (1 pair) per pack
Weight:  Approx. 1.21g per pair
 
Note:
The height of the earring hook is measured from the top of the hook (where it would go through the ear piercing) to the bottom of the loop that will hold the earring. 
 
The length is measured from the top of the hook to the end of the hook behind the ear piercing.