As trivial as they are, these steel rivets can prove to be crucial while making your own leathercraft, armour, hardware accessories, etc. These small MUSHROOM HEAD RIVETS are made from sturdy MILD STEEL, making them highly robust and hard-wearing. The length of each rivet pin (not including the head) measures approx. 10 mm (1 cm). These rivets come in a utilitarian set of 25 pieces.