Finned Strip Heater, Heater Voltage 240V AC, Overall Length 30 1/2 in, Mounting Dimension 29 1/2 in, 1,800 W Watts, Watt Density 19W/sq in, Terminals Offset, Element Width 1 1/2 in, Sheath Material Seamless 304 Stainless Steel, Material Nickel Plated Steel, 1 Phase, H x W Across Fins 1-3/8 x 2 in, Max. Sheath Temp. 1,200 Degrees F, Mounting Type Surface Mount, Slotted Hole Length 1/2 in, Slotted Hole Width 5/16 in, Screw Size 10-32, Standards E60605, Includes Mounting Tabs