Boston string retainer for bass guitar id: 32284 sku: SH-15-G brandname: Boston Details string retainer for bass guitar, button model, with screw, 19mm, height 7mm, gold Related products SH-15-N Boston string retainer for bass guitar string retainers and ferrules SH-15-C Boston string retainer for bass guitar string retainers and ferrules SH-15-B Boston string retainer for bass guitar string retainers and ferrules