Instrument Clinic Saxophone Neck Cork Replacement Kit, with 2 Pieces of Composite Neck Cork and 2 Pieces of Natural Neck Cork, Fits All Saxophones! (2) Natural Sax Neck Cork and (2) Composite Sax Neck Cork (1) .25oz Jar of Key Polish with (1) .67oz bottle of key oil (1) Tube of Cork Grease (1) Contact Cement Brush, (1) razor Blade, (1) Written Instructions ***Requires Contact Cement for Installation (not included)