Alessi Makes Tuning Machines for the Classical Guitar; Stringed Instruments. These are available in both Limited Edition and with a Huge Variety of Options available for Customisation. All Component Parts are Produced Using High Precision Machine Tools and are Assembled with Meticulous Hand Craftsmanship. the Premium Quality of the Materials Used, and the Fine Tolerances of the Machining and Hand Assembly, Guarrantee Reliability, Precise Operation and Durability. Read More; Tuning Machines, Musical Instruments ...