6″ x 2″ Swivel Casters w/ Semi-Steel Wheel (2) Rigid (2) 1200lb each Tool Box. Below is more information and specs on this product. Size: 6″ x 2″. Feature: 3/4″ Roller Bearing with 1/2″ ID Bushing and Zerk Axle (Manufacture will provide zerk fitting in the wheel or axle). Type: Swivel Casters & Matching Rigid Casters. Top Plate: 4″ by 4 1/2″. Bolt Pattern: 3″ by 3″. 1 – Set of 4. Installation Hardware: Not included. The item “6 x 2 Swivel Casters / Rigid Steel Wheel 1200lb ea Heavy Duty Tool Box” is in sale since Wednesday, March 25, 2015. This item is in the category “Business & Industrial\Material Handling\Casters & Wheels\Caster Accessories & Hardware”. The seller is “creativeindustrialsales” and is located in Fraser, Michigan. This item can be shipped worldwide.