Quality guitar hardware from MGB Guitars. Perfect for homemade instruments.  String location notches are provided along the top edge. 3 string slots are spaced .5 inches apart and 4 string are .4 inches. Make sure to file the slots to provide a back angle falling off toward the tailpiece. 

• 3 1/2 Inches wide and 1/2 inch tall.
• Easily sanded to get the right height.
• Light sanding required, suitable for staining or painting