PERFECT CASTER FOR ANY DIY PROJECT: This set of 4 casters are essential for areas where heavy-duty, high-capacity mobility and secure braking are essential. MANY USES: These casters are suitable for providing durable mobility and secure stability to heavy toolboxes, industrial carts, machinery, and warehouse equipment. MEASUREMENTS: 3/4" Roller Bearing with 1/2" ID Bushing and Zerk Axle, Top Plate: 4" by 4-1/2", Bolt Pattern: 3" by 3", Overall Height: 9-1/2". CAPACITY: Supports 1,250 lbs each, and the total support is 5,000 lbs. FAMILY OWNED BUSINESS: Creative Industrial Sales has been in business for over 30 years, we are a family owned business in America that supplies to all OEMs. Trust us to supply your projects with quality casters. Size: 8" x 2" Color: Black Style: Caster Condition: New Feature: 3/4" Roller Bearing with 1/2" ID Bushing and Zerk Axle Type: Swivel Casters w/ Top Lock Brake Bearing: Roller Bearing Top Plate: 4" by 4-1/2" Bolt Pattern: 3" by 3" Overall Height: 9-1/2" Material: Phenolic Capacity: 1400 lbs Quantity: 1 - Set of 4 Part Number: 508PHB Installation Hardware: Not Included