Keen KT-15 Portable Holding Welding Rod Oven (120V/240V) - Maintains up to 15 lbs of 18" electrodes at optimum temperature. Durable, Heavy-Gauge Steel construction means long product life. Maintains up to 15 lbs (6.8 kg.) of 18" (45.7 cm) electrodes at optimum temperature. Oven design protects electrodes during transfer from the holding oven to the job. Light weight oven makes for easy transport to the job. Square shape gives greater stability. 1" Thermal insulating wool makes oven energy efficient, keeps electrodes hot and moisture free.