*Application: The Push-In End Cap Is Very Suitable For Round Tubing, Thread Set, Coat Rack, Cup holder, Furniture, Metal Chair Tips, Table Foot Tips, Fence Railing, Marshmallow Forks, Bicycle Fenders, Slatwall Shelving Hooks, Steel Door Rail Stopper, Rod / Rebar Or Wrought Iron Cover, Threaded Substitutes For Safety Of Bolts, Screws Or Nuts, Hub Cap Sheaths, Nail heads.