3" Plastic Caster w/Metal Axle 

• Made of plastic and the metal stem under the plastic stem is nickel-plated steel. 
• Color = Gray 
• Hub Color = Black 
• Diameter = 3" 
• Tread Width = 7/8" 
• Caster swivels 
• Non marking 
• Stem Length = 1.5" 
• Stem Diameter = .5" 
• Not Threaded 
• No Insert Included 
• Fits 3553, 6186-88, 7470, 7480, 7480-18, 7480-19, 7480-71, 7570-74, 7570-79, 7570-88, 7576-88
• 7577-18, 7577-74, 7577-79, 7577-88, 7578-88, 7579, 7570-18, 7580-21, 7580-79, 7580-88
• 7580-ST, 7580-TB, 7588-88, 7590-88, E203, Q050, Q900-58, Q900-88, Q930