Metal fasteners, namely, quick-release pins, hitch pins, hinge pins, and lock pins

QUICK-RELEASE FASTENING PIN FOR MECHANICAL ASSEMBLIES, BEING A HITCH PIN, HINGE PIN, OR LOCK PIN AND THE LIKE, AND IS OFTEN USED AS A SUBSTITUTE FOR A COTTER PIN OR COTTER KEY WHICH IS REQUIRED OR DESIRED TO BE QUICKLY OR OFTEN REMOVED AND REPLACED