5" X 2" Swivel Casters Heavy Duty Semi-steel Wheel (2) and (2) Rigids 1000lb Each- Tool Box Feature: 3/4" Roller Bearing with 1/2" ID Bushing and Zerk Axle Material: Semi-Steel; Capacity: 1000 lbs Top Plate: 4" by 4 1/2"; Bolt Pattern: 3" by 3" 1 Set- (2) Swivels and (2) Rigids ...5" X 2" Swivel Casters Heavy Duty Semi-steel Wheel (2) and (2) Rigids 1000lb Each- Tool Box Feature: 3/4" Roller Bearing with 1/2" ID Bushing and Zerk Axle Material: Semi-Steel; Capacity: 1000 lbs Top Plate: 4" by 4 1/2"; Bolt Pattern: 3" by 3" 1 Set- (2) Swivels and (2) Rigids Size: 5" x 2" Color: Metallic Style: Caster Condition: New 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 Bearing: Roller Bearing Top Plate: 4" by 4 1/2" Bolt Pattern: 3" by 3" Overall Height: 6-1/2" Material: Semi-Steel Capacity: 1000 lbs Quantity: 1