●Fits for 5-string electric bass ●Length: 25mm (63/64 inch), width: 7mm (9/32 inch), height: 8mm (5/16 inch), string spacing: 9mm (23/64 inch) ●Made of brass, better tone and more sustain ●Precise slotted string retainer, well finished, easy to install or remove ●Package includes: 1 piece string retainer and mounting accessories