Helps protect the operator against accidental metal spilling from the whirling crucible. For use with either short or long arm machines. Made of steel with baked enamel finish. Base is drilled for attachment to bench. Base measure 24" x 24" (61 x 61 cm), with the drum 23-3/4" W x 11-1/2" H (60.3 x 29.2 cm). Comes with instructions for assembly. Optional cover provides extra protection. (Machine not included.)