Product Catalog: Universal Parts: Carts, Panel and Moving Dollies Material Handling Equipment for use in panel systems installations. Products Cart, Dolly, 4 wheelerU.0134.03.00 (Uni-Source Office Furniture Parts) List Price: $145.00/EA View Details Cart, Heavy Duty Panel StyleU.0134.02.BL (Uni-Source Office Furniture Parts) List Price: $700.00/Each View Details Cart, Light Duty Panel StyleU.0134.01.BL (Uni-Source Office Furniture Parts) List Price: $364.00/EA View Details