Band Heater Heater Voltage 120V AC Inside Dia 3 1/2 in Width 1 1/2 in Material Mica Insulated Steel Max Temp 900 Degrees F Terminals Same Side Termination 10 to 32 Screw Terminal 500 W Watts Watt Density 33 sq in 4.17 A Amps Width Tolerance +/-1/16 in Features Built-in Low Thermal Expansion Strap