Dynaplug Tire Air Stopper, Clearing Attachment and Micro Knife with Bonus Storage Case ABOUT THIS PRODUCT: Machined with a sharp point that slips in puncture and minimizes air loss after removing object. Clearing Attachment fits on the tool just like insertion tube. Micro Knife is razor sharp to cut the repair plug and small enough to fit inside the tool. USE: The clearing attachment is great to clean out the puncture hole and confirm the path that you will repair. INCLUDED IN THIS DEAL: Air Stopper, Clearing Attachment and Micro Knife COMPANY INFO: Dynaplug in based in Chico, California.