Guitar and Bass tuning machines are sold on the side of the headstock; they are mounted when viewed from the front. Left or Right side is not the same as left or right-handed. Please remember this when placing your order. GOTOH GRL510C-12 Lightweight Compact Open Gear Bass Tuning Machines 4L x 1R* - Cosmo Black *see inset image in main product picture Compatible with 11/16" (17.5mm) headstock hole RES-O-LITE series - lightweight bass tuning machines Clover tuning key Rock-Solid post Lubri Plate gears 1:20 gear ratio Weight - 1.6oz (44.3 grams) each Includes mounting screws, washer, and bushing Please ensure you check the dimensions before placing your order. The tuning machine dimensions are shown in the listing images.  Guitar and Bass tuning machines are described by the side of the headstock the machine mounts to when the headstock is viewed from the front. "L" is the left side and "R" is the right side. Please remember this when placing your order. This listing is for preconfigured sets. Individual bass tuning machines are available in another listing for customers seeking a custom configuration or a replacement tuner.

Guitar and Bass tuning machines are sold on the side of the headstock; they are mounted when viewed from the front. Left or Right side is not the same as left or right-handed. Please remember this when placing your order.

Please ensure you check the dimensions before placing your order. The tuning machine dimensions are shown in the listing images. 

Guitar and Bass tuning machines are described by the side of the headstock the machine mounts to when the headstock is viewed from the front. "L" is the left side and "R" is the right side. Please remember this when placing your order.

This listing is for preconfigured sets. Individual bass tuning machines are available in another listing for customers seeking a custom configuration or a replacement tuner.