products description: They are heating element wire coils for use in small electric furnace, muffle, heating air conditioning equipment, bakery, electrical heated tube, household electric appliances. Made from heating alloy, they are high temperature resistant and corrosion resistant. There are 3 coils and each of them has good thermal efficiency and is safe to use. Features: Made from FeCrAl heating alloy, high temperature resistant, corrosion resistant. Good thermal efficiency, even heating, safe use and long service life. Please stretch these heating element coils before connecting to power, or they would burn and cause damage. They can not be cut into parts to use, or the power will increase which is dangerous. Used in small electric furnace, muffle, heating air conditioning equipment, bakery, electrical heated tube, household electric appliances. Spec: Material: FeCrAl Voltage: AC 220V Power: 800W Outer Diameter: 4.7mm / 0.18 Length: 302mm / 11.89 Quantity: 3pcs Weight: 36g(approx.) Package Includes: 3 x Heating Coils