Size: 5" x 2" : Red Style: Caster Condition: New Feature: 3/4" Roller Bearing with 1/2" ID Bushing (Manufacture will provide zerk fitting in the wheel or axle) Type: Swivel Caster Bearing: Roller Bearing Top Plate: 4" by 4 1/2" Overall Height: 6-1/2" Material: Heavy Duty Polyurethane on Steel Hub Capacity: 1000 lbs Quantity: 1 - Set of 4 Part Number: 505PSTL Installation Hardware: Not included PERFECT CASTER ROLLER FOR ANY DIY PROJECT - Comes in a 4 pack. Our Swivel casters are heavy duty and made of polyurethane wheel on steel hub. They do not lock. The radius on the 5"x2" is 360 degrees and supports loads of 1,000 lbs on each wheel, a total of 4,000 lbs. MANY USES: Can be placed on toolboxes, furniture, chairs, musician instrument cases or any project where you need to carry out any activity that requires moving loads from one place to another. MEASUREMENTS: 3/4" Roller Bearing with 1/2" ID Bushing (Manufacture will provide zerk fitting in the wheel or axle). Top Plate: 4" by 4 1/2" Bolt Pattern: 3" by 3" Overall Height: 6-1/2" PACK OF 4: 1 Set (4) Swivel Casters, supports 1,000 lbs each, total support: 4,000 lbs FAMILY OWNED BUSINESS: 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.