Swivel caster w/b (discontinued)
Fits 720-0230 720-0008 720-0036 720-0125 720-0078 720-0040 720-0028
CASTERB720-0234, CASTBRAK720-0230, CB720-0234, CSTRBRKE720-0234, CATERB720-0234, 21730-0230, B0026, 3CWB720-0125, 23-720-0036-HD-05, 20-720-0230, WHEBRA720-0036-HD-05, CASTWB720-0036, 1790, NEX1790, NEXB0026