Contains everything you need to keep all of your Hakko desoldering tools maintained for years. Kit includes: cleaning brush to remove oxides and flux residue (P/N 777-090), cleaning drill for heating element (P/N 888-001), wrench to remove enclosure nut and nozzle from heating element (P/N 888-075), (10) small ceramic paper filters to protect pump from flux vapors (P/N A1009), (10) large ceramic paper filters to protect pump from flux vapors (P/N A1033), filter holder for 802/817 handpiece (P/N A1011), (10) solder capturing spring filters (P/N A1030), cleaning sponge to clean nozzle of excess solder and oxides (P/N A1042), (4) cleaning pins to clean accumulated solder from nozzle (P/Ns B1086, B1087, B1088 and B1089), (4) cleaning drills to remove heavy accumulation of solder from nozzles (P/Ns B1302, B1303, B1304 and B1305), and filter holder for 807 handpiece (P/N B1915).