Gotoh Locking Machine Heads 3 per side - SG381 MG-T- AB07 - Magnum Lock Trad NEW MAGNUM-TRAD Traditional style locking tuner with thumb wheel. 16:1 tuning ratio and 6 tuning machines- 3 right and 3 left Chrome plated finish with matching button Post height - 20mm ROCK-SOLID posts prevent the rocking of string post LUBRI-PLATE lubrication for smooth action and longer life. Includes bushings and screws