Gotoh style BASS Machine Heads Enclosed-gear tuners for small pegheads, sold individually 9/16"-diameter pegholes requiredSealed lubrication, cast housings and metal knobs. Mounting screws included.
When looking at the guitar/bass peghead - the tuners on the right side of the peghead are the "right tuners" and the tuners on the left side of the peghead are the "left tuners".