This kit comes with 4 new, all natural tenon corks. Three are for the clarinet joints, the fourth can be used for the mouthpiece, or as an extra cork for a tenon joint. One small tube of contact cement, one razor, One tube of Instrument Clinic Premium Cork Grease, sandpaper and written instructions are also included. Please note: You will also need a Ruler, Household pliers, Mineral spirits, or Soap and Water, a Small Screwdriver, and a Cotton Ball or Rag. *Never use "super glue" on tenon joints. This kit includes Super Glue BRAND contact cement, not "super glue"