Katrol of blok uit het wrak van de Oost-Indiëvaarder Hollandia
Block, sheave; fragm, broken, eroded; originally circular, outer edge broken off, with central bearing, octagonal, central circular hollow core, on one side two straight lateral projections on diametrically opposite ends (id. NG 1980-27H2683), originally fitted on the other side of the sheave with bolt and nut, impression visible.