Looks like a grill brush. I would be able to get the front and one side of the screen with that. Thanks for the pointer!
http://www.amazon.com/Weber-6424-21...MFSO/ref=sr_1_4?ie=UTF8&qid=1329424117&sr=8-4
http://www.amazon.com/Weber-6424-21...MFSO/ref=sr_1_4?ie=UTF8&qid=1329424117&sr=8-4