"5 x 2 swivel caster, cast iron (SS) wheel"
Rigid 5 caster with 5 x 2 cast iron wheel
"Swivel 8 caster, 8 x 2 cast iron (SS) wheel, total lock"
"Swivel 4 caster with 4 x 2 urethane wheel, total locking brak
2 threaded 3/8-16 x 1 stem caster Envirothane wheel SLB