Armstrong Industrial Hand Tools have a heritage of Made in the USA since four brothers founded the company in 1890. This Armstrong brand chisel set is forged from domestically produced steel ensuring unequalled strength, toughness, and durability.Product Name : Cold Chisels; Material : Alloy Steel; Finish : Black Oxide; Set Included Storage : Vinyl Roll; Set Piece Count : 5; Set Size Range Min : 5/16; Set Size Range Max : 5/8.