Tooluxe 53015L Parts Cart Organizer with 90 Polypropylene Bins and Lockable Casters | Steel Frame A TOP SELLER: A sturdy and portable parts cart that includes 90 various sized PP bins for neatly organizing tools and shop parts HEAVY DUTY: Keeps screws, bolts, brushes, tools and other items easily accessible and includes a powder coated steel frame that supports up 450 lbs TRANSPORTABLE: Lockable caster wheels allow for mobility in shops and garages and foam padded handles allow easy transportability when loaded IMPACT RESISTANT BINS: Measures 45.8 x 44.1 x 26 with 36 small red, 30 medium blue and 24 large yellow impact-resistant bins CUSTOMIZABLE: Create your own custom parts cart with nine tiers of removable color-coded bins