Heavy-Duty and Durable: Constructed with high-quality materials, these swivel castors are built to handle heavy loads and withstand demanding environments. They are designed to provide long-lasting durability and reliable performance.Smooth and Quiet Movement: The rubber wheels on these castors offer smooth and quiet movement, ensuring a hassle-free experience while maneuvering your equipment or furniture. The non-marking rubber also protects your floors from scratches or damage.M10 Threaded Stem: The castors feature an M10 threaded stem for easy installation. The threaded stem design provides a secure attachment to your work tables, furniture, or other equipment, ensuring stability during use.Brake Function: Two of the castors in this set are equipped with brakes, allowing you to lock them in place when needed. The brake function provides added safety and stability, preventing unwanted movement and ensuring your equipment stays securely in position.Versatile Applications: These swivel castors are suitable for a wide range of applications, including work tables, furniture, carts, and other equipment. They offer convenient mobility and allow you to easily move and position your items while providing stability during use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.