I Samuel 13:21

21 Os filisteus cobravam dos israelitas dois terços de um siclo para amolar os fios das relhas e das enxadas e um terço de um siclo para amolar machados e aguilhadas.

21 The price was two-thirds of a shekel That is, about 1/4 ounce or about 8 grams for sharpening plow points and mattocks, and a third of a shekel That is, about 1/8 ounce or about 4 grams for sharpening forks and axes and for repointing goads.