Caster, Without Brake, 5" Diameter, Threaded Stem NRE # 600014
Caster, Without Brake, 4" Diameter, Threaded Stem NRE # 600013
Caster, With Brake, 5" Diameter, Threaded Stem NRE # 600012
Caster, With Brake, 4" Diameter, Threaded Stem NRE # 600011