WHOLESALE 1000 POUND PLASTIC MOVERS DOLLY Steel reinforced lightweight high impact polyproylene frame. Nonporous surface will not splinter, rust, rot or mildew. Diamond tread rubber pads prevent skidding. Four 3 inch diameter swivel casters. Overall dimensions: 29 7/8 inch L X 17 7/8 inch W X 5 1/2 inch H.Illinois Industrial Tools