Manitowoc K00064 Casters are designed for optimal mobility and stability in your NEO, Q-Series (excluding QM), and D-170 bins. Each caster measures 2.5 inches in diameter, providing a sturdy base for easy maneuverability. The set includes two locking swivel casters to secure your equipment in place and two non-locking swivel casters for smooth movement. These durable casters enhance the functionality of your bins, making them ideal for various commercial applications.