Boston string retainer id: 16842 sku: SH-3-B brandname: Boston Details string retainer, button model, with screw, diameter 10mm, height 5mm, black Related products SH-3-N Boston string retainer string retainers and ferrules SH-3-C Boston string retainer string retainers and ferrules SH-3-G Boston string retainer string retainers and ferrules
