ITEM NAME:50W Heating Element 1321 Soldering Iron Ceramic Heater Core 4-wire Adapter #gib Store Home Promotion Hot Item Add to Fav.Maximum power: 50W. 1 x 1321 Soldering Iron Ceramic Heater Core. Usage: applicable for HAKKO welds and soldering iron models: 936, 937, 938, 942, 953, 956, FM-202, 931, 933, 934, 455, 456, 373, 815, 816, 702B and so on.