There were two types of kyo-masu during the Edo period: the Tsurugane-masu (a masu for measuring grain), which had a steel bar fixed diagonally onto its upper edge, and the Kiji-masu (a masu for measuring liquid).
江戸時代の京枡には穀用の「弦鉄枡（つるがねます）」と液用の「木地枡（きじます）」の2種類があり、前者には口辺に対角線状の鉄準（弦鉄）を渡していた。