Secure your projects with precision using the Napa Balkamp 725-1135 Presto Pin R Clip Hitch Pin set. Each pack contains 5 units, boasting a durable zinc-plated finish that protects against corrosion. These 4-inch length hairpin and straight cotter pins are made of robust steel, ensuring reliability for your fastening needs. Designed for versatility, these pins are compatible with inch-based measurement systems and are proudly manufactured in the United States. The 5/16 diameter pins are ideal for a variety of applications, providing a secure hold with every use. Please be aware of the California Prop 65 warning that accompanies this product. Exact item set is shown. New old stock with original packaging. Set weight 1.1 lbs. Made in USA. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.