An adjustable three-rod buzz bar with a high-quality machined 3/8 BSF thread. These buzz bars allow you to vary the distance at which you place your rods depending on your preference. Theyre easily adjusted with oversized thumb screws on either end. The BSF thread has a metal screw down collar to ensure you can get the buzz bar as tight as possible to your bank stick. Compatible with all alarm and rod rest heads that use a 3/8 BSF thread.