Cartridge Heater, Heater Voltage 120V AC, Lead Length 10 in, Diameter 3/8 in, Length 3 1/2 in, 120 W Watts, Watt Density 34W/sq in, Max. Temp. Capability 1,200 Degrees F, Sheath Material 304 Stainless Steel, Precision Sheath Dia. Tolerance +/-0.002 in