Description These universal caster wheels are designed to replace the worn-out wheels of your electric heater, furniture, bath seat, or trolley. They ensuring secure fit and smooth movement. The swivel allows for easy maneuverability, making it effortless to move your items around with minimal effort. Features -Color:Black -Material:PP -Size:4.00X3.00X0.80cm/1.57X1.18X0.31in - Thread diameter: 8mm -Universal compatibility: suitable for electric heaters, furniture, bath seats, and trolleys, making it a versatile replacement option -Easy installation: simple disassembly and installation process allows for smooth mobility of your heater -Floor-friendly: gentle on floors, preventing scratches and damage during movement -Replacement: ideal for replacing damaged casters, ensuring easy mobility of your oil heater - Attachment: the plate hole for fixing the wheel should not be less than 8 mm, ensuring secure attachmentPackage list: 4 x casters 4 x screw caps 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 1363 hours Hope you have a pleasant shopping experience!