Our EZ Roller wheels come with 8" care-free (foam-filled) tires.  The adapters are manufactured for all Mambo Combo stands that have a 1-1/4" x 1-1/4" leg.  These wheels are perfect for use on rough terrain, grass, gravel, and asphalt.  The EZ Roller's feature a strong and durable locking mechanism, ensuring ease of use.