Use to repair punctured tires on vehicles, ATVS, hand carts, wheel barrows, and more. For use with steel belted radial tires. Plugging material is threaded into the open eye of a needle forming a part of the tool and inserted into the puncture. Includes: 1 pc t-handle insert tool, 1 pc t-handle spiral probe tool, 1 pc valve core screwdriver, 1 pc retractable knife, 1 pc tire lube, 1 pc insert tool replacement, 2 pc hex keys, and 50 pc 4” string plugs.