These Iron Flat Head Pins are made from red copper and are cadmium, nickel, and lead free. They are approximately 3.6 cm long and 0.75 to 0.8 mm thick, making them suitable for various jewelry projects.
With about 340 pieces per 50 grams, these pins are a great addition to your crafting supplies. The head size is 2 mm, providing a secure hold for your creations.