These nature-inspired toggle clasps are made of a lead-free, nickel-free, and cadmium-free zinc alloy.  Hole Size: about 1.7mm (bar) and 3x2mm (ring)Sold per bag of 2 clasps.

These double-sided toggle clasps are made from a lead-free, nickel-free, and cadmium-free pewter & zinc alloy.  Hole Size: about 2mm Sold per bag of 4 clasps.