Portasol SPT-5 SuperPro 1.0mm Double Flat Tip Long Life Nickel and Iron Plated tip with Double Flat soldering surface. Features in built heater (catalyst burner) within the tip. Ideal tip for soldering fine wires and for other intricate work. Tip temperature up to 1,076 degrees fahrenheit - 580 degress celsius. Manufactured in Ireland under ISO 9001:2000.