The Pitco PTB3901504 Fryer Wheel Casters are designed to provide easier movement and stable support for commercial fryer equipment. This 4-pack of 4" casters with a 9" lift height works by attaching to the fryer base, allowing the unit to be moved smoothly for cleaning, positioning, or maintenance. The caster design helps improve equipment mobility while maintaining proper support dur... https://partsfe.ca/ptb3901504-pitco-casters-4wheel9lift-4-pk