These bead caps are made of a lead-free, cadmium-free zinc alloy. Hole Size: about 2.9mm (top hole) to 6mm (bottom hole) Sold per bag of 20 caps.

These bead caps are made of a lead-free, nickel-free and cadmium-free zinc alloy.  Hole Size: about 1.5mm  Sold per bag of approx. 10 grams. (about 8pc) 

These bead caps are made of a lead-free and cadmium-free zinc alloy.  Hole Size: about 1.2mm Sold per 10-gram bag. (approx. 18pc)