Sealey vs4004 steering rack knuckle tool sealey vs4004 p this steering rack knuckle tool from sealey is suitable for fast and easy removal of the steering knuckle fits racks with hex drive two flats and round ends ideal for vehicles with limited access and avoids the need to remove the rack assembly suitable for steering rack knuckles with a diameter of 40 54mm p sealey vs4004 steering rack knuckle tool