Sail Boat and Small Yacht Repair Yard Kit (Hydraulic). Includes all components for replacing all bearings from the smallest through 2″ O.D. By adding additional components this kit is expandable up to 2-1/2″ shaft by 3-1/2″ bearing o.d.) Pre-assembled and tested, includes Hydraulic Cylinders & Hose Assembly. Pump Sold Separately.