Package Details: You will get 50 rivets with a diameter of 3/16 inch / 4.8 mm, a grip length of 1 inch / 25 mm, and a rivet range of 3-4 mm. To avoid mistakes, be sure to confirm the size when purchasing Quality Assurance: Pop rivets made of quality aluminum are corrosion-resistant, rust-resistant, durable and well-stressed. Even if it is used in harsh environments such as deep water, the working effect will not be weakened. Definitely a reliable good rivets Practical Design: After the shaft of the trifold rivet is pulled off with a rivet tool (not included), the tri-fold rivet explodes and expands to form three anchor points in different directions. Because there are multiple stress points, it will have better fixing force and stronger stability than ordinary rivets Wide Application: The aluminum rivet is very practical and has a much wider range of applications than you might think. You can use it in cars, buildings, containers, ships, kayaks. Not only that, you will also see them in the ocean, furniture appliances, plumbing systems, lever handles, etc