The LaSalle Bristol CrossBreeze Adjustable Toy Hauler Screen, # 3441409775PBK is for a 97-3/4" wide opening on the toy hauler. The side rails/track that the screen travels are 2-1/4" wide (one rail each side) so once in place, the Toy Hauler Screen, # 3441409775PBK will have an opening of approximately 93-1/4" for you to drive a toy through. view full answer...