Swaged Cartridge Heater, Heater Voltage 120V AC, Lead Length 10 in, Diameter 1/4 in, Length 3 in, 300 W Watts, Watt Density 153W/sq in, Max. Temp. Capability 1,400 Degrees F, Sheath Material 321 Stainless Steel, Precision Sheath Dia. Tolerance +/-0.002 in