All Purpose Crossbar</br>Adjusts From 3-7/8" To 5"</br>Slips 3/8 I P Carded</br></br>Product Description</br></br>Westinghouse Lighting Corporation?? All Purpose Crossbar?? Adjusts From 3-7/8"o 5" Slips 3/8 I P Carded?? easy-to-install design.</br><br/>http://www.amazon.com/gp/product/B000BO4HN6aa