The DY86 Chair Dolly, an 11gauge steel unit, loads at an angle to securely hold up to 20 of the NPS 8600 Series stack chairs for easy transport and storage.Features black powdercoated paint finish that will not chip and 3" hard rubber casters (two that swivel) for easy mobility over nearly any surface.Each caster has a 83 lb.weight capacity for a total of 332 lbs.