8" X 2" Swivel Drywall Cart Caster - 600lbs each CasterHQ's 8" X 2" Swivel Drywall Cart Casters come with a Rubber on Cast Iron Wheel that can withstand 600lbs per Caster. These casters can be used on most drywall carts including those made by Apapa and Jescraft. Wheel Diameter: 8" Tread Width: 2" Wheel Material: Black Rubber on Cast Iron Wheel Durometer: 80 Shore A (+/-5) Capacity: 600lbs Overall Height: 9-1/2" Swivel Radius: 6-1/4" Swivel Radius with Top Lock Brake: 7-1/2" Plate Size: 4" x 4-1/2" Bolt Hole Pattern: 2-5/8" x 3-5/8" Slotted to 3" x 3"