ltem description from the seller
These wheels make it easy to move your planters around. Durable material: Iron is a strong and hard material. It's a solid favorite in industrial and furniture construction, ensuring years of service. Convenient wheels: The solid wheel helps to easily move around your planter when the wheel is attached. Practical design: This planter wheel is robust with a maximum load bearing capacity of 220.5 lb, which makes it suitable for use with small to medium planters. Color: Black Material: Iron Diameter: 1.4" Fit on models with square leg Max. load capacity (per wheel): 55.1 lb Delivery contains: 4 x Castor wheels