Polyurethane Caster Wheel with Swiveling Top Plate - 5-Inch - 750 lb. Load Capacity - for Use on Hard Surfaces such as Concrete<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Superior to standard rubber casters in its resistance to grease， oil， cutting， and abrasions</li><li>This caster can be used on almost any dry factory floor or in garages where chemicals may be present</li><li>For Use On: Desks， Carts， Chairs， Tables， Stools， Toolboxes &amp; many other products</li><li>Top Mounting Plate: 4.50"x3.97" Bolt Pattern: 3.26"x2.77" Bolt Hole: 0.4315" Overall Height: 6.41"</li><li>Includes: (1) Polyurethane Caster， Wheel with Attachment Plate</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41-BVUxameL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51n-CVrXetL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41czd9c8bXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/511Knb5SCeL.jpg" noproxy>