A matched pair of antique cast iron differential chain block hoists with original heavy-link chains, showing the beautiful patina and substantial construction of early American industrial craftsmanship. The larger right unit has embossed markings indicating "ONE TON DIFFERENTIAL" capacity. Both feature classic hook mounts, double-groove pulley wheels, and original chains. Heavy surface rust throughout adds to the industrial character — perfect for steampunk décor, barn staging, props, or serious tool collecting. Sold as-is; not tested and not safe for load-bearing use. Will be packed well for safe shipping.