The National Public Seating Dolly for Series 8600 Chairs, an 11-gauge steel dolly, loads at an angle to securely hold up to 20 of the NPS 8600 Series stack chairs for easy transport and storage. It features a black powder-coated paint finish that will not chip that adds to the dolly's durability. The dolly also has 4 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 lb.