Description: 3Pcs 50W Replacement Heating Element A1321 for HAKKO Soldering Station Iron 936 937 907 913 Soldering dedicated heating element, the use of soldering station, iron model: 936,937,938,942,953,956, FM-202,931,933,934,455,456,373,815,816,702B the like, the same for a variety of brands temperature soldering station, lead-free soldering station. Specifications: Model: A1321 heating core Voltage: 24V Power: 50W Heating wire resistance: 2.5-3.5 Europe Sensor resistance: 43-58 Euro Product manual: Heating wire is 4,5 feet, the sensor is 1,2 feet. Handle fittings from being left on their own against the clock numbers 1,2,3,4,5 Package includes: 3 x 50W Hakko Replacement Heating Element A1321 1 x English user instruction Details pictures: