The LK-1346 is a ukulele machine head (also known as a tuner, tuning peg, or tuning key) set, designed for 4-string ukuleles. It features a 2+2 configuration, meaning it includes 2 machine heads for the left side and 2 for the right side of the ukulele headstock. These machine heads are typically used for tuning the ukulele strings. The LK-1346 is available in gold or nickel color options.