|New, Star Mfg. brand name.
4/Set-Casters are for Equipment Stands for Star-Max units.
Such as: (example of 15" model numbers:) ESSM15 or ESSM15S models. Will fit 15", 24", 36", 48" units.
Photo shows an equipment stand, but your looking at only the casters. In our search box-enter in the words: equipment stand star.