Muaj zog bearing muaj peev xwm ntau qhov ntau thiab tsawg steel ncej nylon universal ntsia hlau pas nrig caster log rau lean yeeb nkab system.
Peb yog cov chaw tsim khoom ntawm caster log.Peb cov khoom muag ncaj qha los ntawm cov chaw tsim khoom.Nrog tus nqi qis thiab kev xa khoom loj, peb yog qhov kev xaiv zoo tshaj plaws rau cov neeg muag khoom.