Wellington 7741000 42-Inch Oak/Walnut Replacement Fan Blades, Five-Pack Easily replace worn or broken fan blades on your existing fan with this convenient five piece set Reversible oak and walnut finishes complement many ceiling fans Replacement fan blades are compatible with most 42-inch fans Dimensions as shown in Figure-1; A - fan blade outer holes 3-1/2-inches; B - fan blade outer hole to center hole 2-5/8-inches Pre-drilled holes fit most fans, also includes instructions to custom fit where needed