These infrared heater feet are universal and suitable for different brands and models of infrared heaters. The thickness of the electric heater can reach 3 centimeters to fit the feet. Support device: These feet can also be used as fixed heaters and mobile infrared heaters. The feet can be easily secured with screws at the back. Mobile: If you want to use the infrared heater as mobile support, you can easily make changes. The roller can also be clamped, so that the heater will not roll away. The wheels are coated with anti slip rubber to increase stability and prevent scratches on the floor Dimensions: 20cm long, 8.5cm high, without casters, 13cm high, with casters (total height). It is very suitable for infrared heaters, with a maximum width of 3 centimeters. Feet can also be used without casters. Box content: 2 infrared heating universal feet, 4 casters, 2 screws, and 1 key. Material: Aluminum legs, plastic casters Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!