Strip Heater, Heater Voltage 120V, Terminals Offset, Overall Length 12 in, Mounting Dimension 11 in, 250 W Watts, Watt Density 10 W/sq in, Sheath Material Stainless Steel, Material Stainless Steel, Mounting Type Surface Mount, Slotted Hole Length 1/2 in, Slotted Hole Width 5/16 in, 1 Phase, Max. Sheath Temp. 1,200 Degrees F, Screw Size 10-32, Standards UL Recognized, Includes Mounting Tabs