- High-Quality Material: Crafted from advanced polyurethane, these tyres offer exceptional mechanical strength, wear resistance, and shock absorption, ensuring they won't damage your floors. - Durable Features: The double steel ball track structure is reinforced with rivets and coated with a black electrophoretic finish, making it oil-resistant and highly durable. The heat treatment of the double marble track further enhances longevity. - Heavy-Duty Performance: Equipped with a 2-inch heavy rotating impeller and a threaded rod, these wheels can support up to 150 kg. The double bearing design provides high load capacity and allows for smooth, stable movement. - Easy Installation: Each set includes 4 bushings with threaded rods and 4 nuts. Simply attach the socket to the base, press it in, and tighten. To ensure compatibility, measure the screw size of the socket before purchasing. - Versatile Applications: Ideal for office chairs, furniture carts, or heavy-duty equipment, these wheels enhance mobility across various surfaces without causing damage. Perfect for settings that require both strength and ease of movement, such as workshops or home offices. - Designed for Stability: The double precision ball bearings facilitate effortless rolling and provide added stability, making these wheels suitable for high-traffic environments. Choose these high-quality wheels for reliable performance and enhanced mobility in your everyday applications.