The HUBBELL 00322001LPK50 is a package of 50 zinc-plated locknuts that are 1/2" in size. These locknuts are designed for secure fastening applications where vibration or loosening of the fastener is a concern. They are ideal for use in electrical and mechanical installations where a reliable and durable connection is needed. This package comes with 50 locknuts, making it a convenient and cost-effective solution for your project.