Platform Jacks. Humboldt
Manufacturer: Humboldt Manufacturing Co.
The Humboldt® Platform Jack is a¬†highly stable laboratory jack that can be adjusted to any height between 2-1/2" to 10" (64mm to 254mm). The jack will accept loads up to 100 lbs. (45.4 kg). The unit is constructed of aluminum top and bottom plates with a baked-enamel finish and plated steel cross members. Height adjustments are achieved by means of a threaded rod attached to a large serrated knob. (Laboratory jacks are designed to support and adjust height, not for lifting loads.)