Quiet dolly is precision-engineered for quiet operation. Nonmarking red casters easily identify this quiet dolly from traditional dollies. Special design eliminates 88 percent of traditional dolly noise across both smooth & uneven surfaces. All-plastic construction resists rust, chipping & denting. Easy twist-on / twist-off dolly provides safe mobility & handling of heavy loads. Heavy-duty wheels with swivel capabilities provide for easy mobility. Dolly features a 350 lb. maximum load capacity & fits Rubbermaid 2620, 2632, 2643 & 2655 (sold separately).