The Lazer LK1253 is a set of acoustic guitar machine heads (also known as tuning pegs or tuning keys). These are the mechanisms on the headstock that allow you to adjust the tension of the guitar strings, thus tuning the instrument. The LK1253 set includes 3 left and 3 right machine heads, making it a complete set for a standard 6-string acoustic guitar. They are made in Taiwan and feature a plastic and chrome construction.