This is a 31 gauge nichrome 80 wire with fiberglass insulation. Resistance is 7.99800 Ohms per foot. Excellent heater element for extruder barrels. Nominal 80% Nickel, 20% Chromium

Max Operating Temperature: 550 degrees Fahrenheit (287.78 degrees Celsius)

This item is sold in 5 foot (1524 millimeter) increments.