This amazing 5 tip plus check valve package has just about every tip the carpet repair technician will need.  It includes:  #101 Check Valve; #102 Block Ribbon Specialty Nozzle; #103 C Cap nozzle; #103F  Flat Extension Nozzle; #103N Needle Extension Nozzle and #103R Round Extension Nozzle.  All nozzles fit on the Surebonder Glue Guns sold by Costa Group Education!