Usage Tips:[HIGH QUALITY]The mounting bracket is made of high quality iron, and not easy to break. The wheels are solid, not hallow, made of nylon, it's not easy to deformed, the nylon of the wheels are smooth so that it's more easy to move. [PACKAGING]This patio heater wheels includes: Universal Patio Heater Wheel Kit 1pack Universal fits most Patio Heaters which have a round base outdoor mushroom umbrella heaters. [UNIVERSAL PATIO HEATER WHEEL KIT]This patio heater wheels is suitable for round base umbrella heaters/pyramid heaters. If the heater you purchased has no moving wheels or is , this be the perfect matching accessory for your Patio Heaters. Heater Wheel Kit that fits all of your patio heaters. [EASY INSTALLATION]Just hook the edge of the patio heater wheels, slide the wheel to the right position at the bottom of the heater;Outdoor heater Wheel for patio propane, Easy installation and low maintenance. Compatibility with all major heater on the market. [WIDELY USED]Patio heater wheels for patio propane heater/Gas heater, Suitable for any place, Whether you are indoors or outdoors, in offices, bedrooms, , balconies, bushes, chat with friends and drink tea, can easily move at any time. Colour:black Material:plastic+iron Package Contents: 1 x Universal Patio Heater Wheel Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.