Package Include 4 x casters 4 x screw caps Features -Color:Black universal heater wheel caster -8 mm requirement: the fixing hole on the plate must be at least 8 mm for secure attachment caster replacements -Quick installation: easily disassemble and install to give your heater smooth mobility heater accessories replacement wheel -Product Info:Electric heater casters -Floor protection: ensuring no scratches or damage to your floors during use caster wheel for electrical oil heater - Thread diameter: 8mm universal caster wheel for oil heater -Multipurpose: fits electric heaters, furniture, bath seats, and trolleys, offering universal replacement solution wheels with brake -Material:PP universal replacement heater wheel -Size:4.00X3.00X0.80cm/1.57X1.18X0.31in wheel replacements for furniture -Efficient replacement: ideal for replacing casters, enhancing the mobility of your oil heater chair wheel attachments Goods Information replacement wheel for caster heater Enhance the functionality of your bath seat or trolley with these versatile caster wheels.swivel casters for oil-filled radiators The universal type makes them suitable for a wide range of applications, from furniture to heaters, providing a stable and reliable replacement for your old or damaged wheels