Dumb Jack Rear Spring Hanger 45mm

Dumb jack for 45mm wide trailer suspension springs. Dumb jack is also known as the rear spring hanger. The dumb jack is welded to the bottom of the trailer chassis to create a pivot point for for the rear shackle plates to hang from. Requires 9/16 x 45mm long nylon shackle bush for 45mm wide eye/eye springs. Unbushed.