The Metal artifacts from the four sites (Ban Chiang, Ban Phak Top, Ban Tong, and Don Klang) were classified into nine groups: amorphous, adzes/tillers, bangles, bells, blades, flat pieces, miscellaneous, spearpoints, wire/rods. To access a searchable database of the provenience and analytical data from the metals and metal-related artifacts from the four sites, go to the searchable metals database.