Jan, it's about the size of a cane and uses a little camping sized propane tank. You can get right up next to and in between rhizomes without doing damage. It gives me great satisfaction to see those little weeds shrivel up. I've found that it works best with young seedlings. Past that stage, I get out the hula hoe, and hand pull..
https://www.amazon.com/dp/B00008ZA0F/
