Rigid 2 1/2 caster with 2 1/2 x 7/8 Protech wheel
Rigid 2 1/2 caster with 2 1/2 x 7/8 Envirothane wheel
Rigid 2 caster with 2 x 7/8 ICE wheel
Rigid 2 caster with 2 x 7/8 grey Protech wheel
Rigid 2 caster with a 2 x 7/8 Urethane wheel. 125 lbs
