Check the listing for details. GOTOH SGS510Z-A07 Tuning Machine Small body Small Knob - Pre-Configured Sets. Color: Black, Condition: New. Listed at 92.74 USD. Guitar and Bass tuning machines are sold by the side of the headstock they are mounted when viewing from the front. Left or Right side is not the same as left or right handed. Please remember this when placing your order.GOTOH SGS510Z-A07 Tuning Machines Mini size sealed gear tuning machine Sold in pre-configured sets..3Lx3R, 4Lx2R, 6L, 6R, 7L, 7R Small metal knobs 1:18 tuning ratio 45 degree offset mounting hole (the mounting hole is located 45 degrees below the vertical center of the string post) ROCK-SOLID posts prevent the rocking of string post LUBRI-PLATE lubrication for smooth action and longer life Includes bushings and mounting screwsThe SGS510 is GOTOH's flagship super tuning machine in a compact size with its 1:18 gear, precision fitted gears and high-quality finish.We are are a.