Uni-Silent Four Wheels Platform Moving Dolly with guardrailProduct Features:Guardrails are in thick and strong steel, with powder coating, durable beautiful and rustproof.Natural Rubber wheels with precision bearings inside, low wearing and strong pressure resistant.Pure PP materials for platform, with strong rib on back, not easy to deform though under heavy weight.Specification Sheet:Optional Castors:For the high-end market:PLA150-DL-HL1(Natural Rubber Tyre + Nylon Bracket)PLA150Y-DL-HL1 (Natural Rubber Tyre + Steel Bracket)For the mass market:PLA150T-DL-HL1(TPR Tyre + Steel Bracket)PLA150P-DL-HL1(PU Tyre + Steel Bracket)Product Description:This is a portable lightweight dolly with guardrail.?Operation places such as:Factory TransportationLibrary’s books movingOffices,Hotel LogisticsLuggage MovingFAQ:Q: What fairs do you attend?Both spring and Autumn Canton Fairs in Guangzhou,China.CeMat Hannover,CeMat Shanghai, CIHS Shanghai,Promat Chicago,Modex Atlanta.Q: How long is the life time?18 months at least.Q: What’s the shipping condition?FOB Shanghai. http://www.unisilent.com/plasti...lley-with-guardrail.html