Hign-concerned Chemical:NoneGLUE:GLUEOrigin:Mainland ChinaItem Type:Tire Repair ToolsFeatures: Made to meet or exceed the highest quality standards Designed to provide the ultimate in practicality Will operate at its full efficiency for years ahead Designed to help to get your job done right Manufactured utilizing the highest quality materials Built to provide exceptional levels of durability Meet All Your Vehicle Needs Car Inflatable Quick Connector Suitable for 8mm drill pipe hoses, industrial route systems, cars, garages, etc. Auto Slotted Handle Tire Valve Core Removal Use for installation and removal of standard valve cores for cars,trucks,bikes and motorcycles Tips: Step 1: Remove the object form tire with included heavy-duty pliers. Step 2: Apply the lubricant on the T-handle spiral probe Before using it to enlarge the puncture area. Step 3: Tear off the strings with included pliers and then insert . Step 4: Insert the strip into the tire and turn 360 degrees. Leave the strip 12mm outside, then pull out the needle. Step 5: Use the knife to trim the excess strings flush with tire tread. Step 6: Re-Inflate the tire to recommended pressure at last.