The 1810(F) is a Surface Vertical Rod Exit Device to be Used on Metal, Wood or Composite Pairs of Doors up to 8' Where Two-Point Latching is Desired. Certified ANSI/BHMA A156.3, Grade 1 . Painted Aluminum Finish. Shipped RHR Field Reversable. Fits Doors 36 to 30 Wide and 1-3/4 Thick. Includes Rods for an 84 High Door and can Reach up to 96 with Rod Extensions.