The Gotoh SGL-510Z tuning machine is a high-quality accessory for musical instruments, distinguished by its modern design and thoughtful functionality. With a large housing and a generous L5 wing, this tuning machine offers comfortable handling and precise tuning control. The fine gear ratio of 1:21 allows for exact adjustment of string tension, which is crucial for musicians. The arrangement of the tuning machines is designed in a 3L3R format, meaning that three machines are mounted on the left and three on the right side. The use of Lubri-Plate lubrication and Rock Solid Posts ensures improved durability and stability of the tuning machine. The elegant black color also gives the tuning machine an appealing look that harmoniously fits into various instrument designs. This tuning machine is an excellent choice for anyone who values quality and precision.