200 Small Silver Tone Eye Screws for Pendant Making 8x4MM Set of approx 200 pieces. 8x4MM. Center hole is 2MM. These are very small. Use to make pendants and charms from resin, wooden tiles, etc. Some items may require you to pre-drill a hole and permanently glue eye screw for extra support. Bright silvertone metal. Made of a lead-free and nickel-free zinc metal alloy. See additional picture for alternate view and size comparison.