Gotoh SG381(CK)07 H.A.P. Guitar Tuner with Short Adjustable Post from 17 to 21mm, 1 Left (Cosmo Black) Acoustic Top Fits Metric sized knobs

Fits Metric sized knobs

and hold the file between two small strips of wood to decrease flex

Do not over-tighten clamps to keep enough glue in the seam

Gear ratio: 16:1

3 posts 20mm long)

Gotoh SG381(CK)07 H.A.P. Guitar Tuner with Short Adjustable Post from 17 to 21mm, 1 Left (Cosmo Black) Acoustic Top Fits Metric sized knobs1 LEFT Tuner for Right Handed guitars, Cosmo Black plate. * If needed, the Posts can be adjusted from their Short 17mm length to 21mm long. Gear Ratio 1: 16 Combine this LEFT tuner with the RIGHT tuner to achieve any configuration you desire. SG381 Standard Post Tuners are also available (recommended using 2 Short Posts + 4 Standard for 6 inline Left or Right). Includes washer, nut and screw. * Instructions on Post Height Adjustment are included (for