The Middle Atlantic CBS-WMRK-42 is a robust caster base designed to fit seamlessly below a 42in deep WMRK Series racks, providing mobility while maintaining stability. Its inner caster base design ensures the rack remains low to the ground, adding only 1 inch to the overall height of the rack, preserving stability and balance. The caster base is compatible with LF leveling feet, allowing you to secure the rack in place when needed. Constructed from durable steel with a sleek black powder coat finish, this caster base includes four 3-inch commercial-grade swivel casters, pre-installed for convenience. These non-locking casters provide smooth maneuverability and can support up to 1,300 lbs of equipment. The CBS-WMRK-42 is UL Listed in both the US and Canada, ensuring safety and performance standards are met. This caster base offers a practical, reliable solution for enhancing the mobility of your WMRK Series racks.