Focal Point 21625 4 1/8-Inch Quick Clips System A Connector Block 3-Inch by 3-Inch by 3 1/2-Inch, White Quick and Easy Installation No Need to find Studs and No Nail Holes to Patch Primed and Ready to Paint or Stain Focal Point Connector Blocks Eliminate the Need to Splice Molding Together Work with Quick Clip Compatible Moldings and Clips