These durable cartridge heaters are swaged for greater thermal conductitivity, making them very efficient. There are many standard sizes available for immediate delivery with sheath lengths from 1 inch (25 mm) all the way up to 24 inches (610 mm), with diameters ranging from as small as 0.25 in (6 mm) all the way up to 0.78 in (19.8 mm.)
Voltage X Wattage X Sheath Diameter X Sheath Length