Reliable Casters Set of 16These micro casters are made of environmentally friendly ABS material and solid steel balls, which are anti-aging, rust-proof and durable. And it will not deteriorate easily over time. Our product contains 16 black self-adhesive mini steering wheels, available in single, three and four wheel options, making it easy to choose a set that suits your needs. Good Load BearingThe appliance wheel is made of high-quality ABS material and durable steel with beads inside. The wheels will not get crushed when adhered to the underside of your kitchen appliance. The three balls are designed to make the wheel roll more smoothly. Easy to Install & Strong AdhesiveYou just peel off the backing and stick the adhesive wheel to the bottom of the furniture, wipe it clean and remove any grease. It is recommended to leave it for 24 hours before using it for better results. No drilling required and no damage to the object. It also includes pre-drilled screw holes that can be glued or screwed to your liking. 360 Rotation & Smooth MovementThe mini swivel wheel can slide freely 360 to any angle, and can push heavy boxes with just one push. The friction of the steel balls is very small, allowing the wheels of the appliance to move smoothly. The thickened frame increases the contact area and improves load capacity, ensuring smooth and quiet operation. Wide ApplicationUniversal mini casters are perfect for everyday homes, such as storage bins, coffee makers, trash cans, bedside tables, flower pots, kitchen utensils, and some beautiful DIY rolling accessories for making mobile furniture. These rolls are versatile and suitable for use in any room of the home, including the bedroom, bathroom, kitchen or living room.