Introducing our premium V-groove wheels, expertly designed for smooth movement along tracks, be they square or circular. These wheels are perfect for a variety of applications, including machinery, carts, and DIY projects, ensuring superior shock absorption and effortless installation. Our wheels come in various sizes, each offering impressive load-bearing capacities: 1.2 inches: Each wheel supports up to 200 kg (441 lb), with a total capacity of 600 kg (1322 lb) for four wheels. 2 inches: Each wheel supports up to 250 kg (551 lb), totaling 750 kg (1653 lb) for four wheels. 2.5 inches: Each wheel supports 300 kg (661 lb), with a total capacity of 900 kg (1984 lb) for four wheels. 3 inches: Each wheel supports 500 kg (1102 lb), totaling 1500 kg (3306 lb) for four wheels. 4 inches: Each wheel supports 1000 kg (2204 lb), with a total capacity of 3000 kg (6613 lb) for four wheels. Product specifications include: Type: V-groove wheel Material: Durable steel Wheel diameters: 32 mm (1.2 inches), 49 mm (2 inches), 60 mm (2.5 inches), 77 mm (3 inches), and 95 mm (3.74 inches). Overall heights: 40 mm (1.57 inches), 59 mm (2.32 inches), 73 mm (2.87 inches), 90 mm (3.54 inches), and 110 mm (4.33 inches). Note: Slight dimensional variations and color differences may occur. We appreciate your understanding. For any inquiries, please feel free to reach out. Thank you for your support!