Repairs small punctures and cuts in tubeless bicycle tires without removing the tire from the rim, getting you back on the trail in no time Easily plugs the hole by inserting one of the 5 included vulcanized rubber plugs into the puncture shrinking the puncture down to a manageable size that the sealant can handle Features a unique sliding plug retainer which holds the plug in place and prevents it from being pulled back out as the tool is removed Includes a handy compact storage container Plug refills available Retailers are not permitted to sell on the Amazon.com marketplace unless authorized in writing by Park Tool