Weiler 72101 20" Length, Palmyra... https://www.amazon.com/dp/B004FTPXKE?ref=ppx_pop_mob_ap_share

This brush works great. I turn the flame off when I’m brushing the stone and try to act quick. Will burn somewhat. After buying a nice perforated launching peel, I’m finding the brush less necessary because I’m using less flour. Amazon price is sometimes crazy, so don’t pay 💰💰💰.