Rigid 4 caster with 4 x 2 solid steel wheel
5 x 2 Cast iron wheel 3/4 RB
Rigid 8 caster with 8 x 2 Cast-iron (SS) wheel
Rigid 6 caster with 6 x 2 Cast-iron (SS) wheel
Swivel 4 caster with 4 x 2 steel wheel