The ADP Wheel Adapter Kit is designed for use with all ADP Striker soccer goals. The wheel kit allows for easy transport of portable soccer goals and reduces wear and tear from dragging goals across field. 10" wheels fit snugly into bottom of upright for quick and easy portability. Fits any soccer goal with 1-5/8" to 2" backstays. Cannot be used for semi-permanent or permanent goals, or for combo soccer/football goal. Kit includes a set of four wheels to transport one pair of goals.