Check the listing for details. GOTOH GB350 Res-o-lite Compact Bass Tuning Machines Tuners - Preconfigured Sets. Color: Black, Condition: New. Listed at 89.49 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 GB350 Res-o-lite Series Bass Tuning Machines Sold in preconfigured sets - 4L, 4R, 5L, 5R, 2Lx 2R, 3L x 1R, 3L x 2R, 4L x 1R Compart modern style bass tuning machine Plastic plated button (slightly textured finish) Rock-Solid post Lubri Plate gears 1:20 gear ratio Weight - 1.10oz (31.3 grams) each Includes mounting screws, washers, and bushingsThe GB350 is part of GOTOH's Res-o-lite series of super lightweight bass tuning machines heads. GOTOH was able to achieve excellent weight savings by using a special alloy call "duralumin". These lightweight tuning machines are.