Guyker 2Pcs 4 String Retainer/String Guide for Electric Bass Head Retainer Tree Buckle Groove SR6, Black

4-String Retainer/String Guide for Electric Bass. Machined from quality zinc alloy to ensure light weight and high strength. Their super light weight keeps your bass balanced. Unique top load slot design allows for quick and easy stringing. You no longer have to feed your strings through the retainer and chance scratching your instrument's headstock or damaging your string windings. These retainers assure proper string tension for tone, sustain and playability.