The Pitco PTB3901504 Fryer Wheel Casters 4" 9" Lift 4/Pack delivers dependable equipment mobility through an adjustable swivel caster system engineered for demanding commercial kitchens. Featuring 4-inch plate-mounted swivel wheels with a 9 to 10.5-inch adjustable lift, the set combines two locking and two non-locking casters to balance secure positioning with smooth maneuverability. ... https://partsfe.com/ptb3901504-pitco-casters-4wheel9lift-4-pk