Allparts   plastic guitar tuner washers, 12pcs

Boston   machine head washer, nylon, 1.5mm thickness, outer diam 6.3mm, inner diam 3.9mm, 6pcs

Boston   machine head worm gear, brass, diam.11mm, 12-pack

Boston   bolts for machine head shafts, black, 2,5x5mm, 12-pack