Part Number: 1006709
Product Description: Roll your dock in and out of the water, a perfect option for lakes with a firm or hard ground. Adds axle to 2" x 2" leg post, purchase tires separately
Attaches to the bottom of an Infinity Dock leg and replaces the foot pad when you add a Poly Tire (not included)
Add a Poly Tire and roll dock out instead of carrying
Best suited for RS7 and TS9 Roll-In Docks that are installed in lakes with a firm or hard bottom
Poly Tires Not Included 
Included in the Box:
1 x 1003800 Wdmt Coupler Axle
1 x 1004438 Bolt Bag Axle Coupler