The Gotoh GHL-2 (left-handed) is a great replacement or upgrade locking nut assembly. Package includes lock nut assembly with mounting hardware, string tree, 2.5mm and 3mm allen keys, and 3 brass height adjustment shims (0.1mm, 0.3mm, 0.5mm). Features Width: 43mm (1 11/16") x 15.5mm (39/64"... See More