The two EZ Port 2i’s are attached to the existing floating dock with an E100750 hinge kit. The EZ Port 2i has a floatation capacity of 1700 lbs and is 168″ x 59″. With its split entry design and self-aligning, self-centering roller configuration it makes dry docking your PWC effortless. A slight push and you are back in the water again. The Adaptor Hinge works with most floating dock types and is reversible.