Allows positioning of work while annealing or soldering on a heat reflective material such as pumice. These pans are made of sheet metal and rotate on ball bearings. Available in two sizes: 12" dia. x 1 3/4" deep or 7" dia. X 1 1/2" deep. The 12" pan is also elevated. Both are furnished with pumice. Pumice may contain trace amounts of crystalline silica. Made in USA.