Upgrade your fastening solutions with these high-quality carriage bolts designed for durability and reliability. Crafted from zinc-plated steel, these bolts offer exceptional resistance to corrosion, making them perfect for both indoor and outdoor projects. With a size of 3/16 inch by 1-1/2 inch, they provide a secure fit for various construction needs, and the pack of 100 ensures you have plenty for large-scale projects.