Gotoh SG381(B)07 H.A.P. Guitar Tuner with Short Adjustable Post from 17 to 21mm, 1 Right* for Left-Hand (Black) Bridge Pins The rollers and knobs in

The rollers and knobs in the 35G1600 series are interchangeable (35AR

and have better wear resistance (with a HV250-290 hardness)

Plastic Red Pearl knobs

Package includes arm + spring + spring claw with screws + hex wrench + locking stud + anchor

Double-sided Uo-Chikyu Hiroshima Fret Crowning file

Gotoh SG381(B)07 H.A.P. Guitar Tuner with Short Adjustable Post from 17 to 21mm, 1 Right* for Left-Hand (Black) Bridge Pins The rollers and knobs in1 RIGHT Tuner for Left Handed guitars, Black plate. * If needed, the Posts can be adjusted from their Short 17mm length to 21mm long. Gear Ratio 1: 16 Combine this RIGHT tuner with the LEFT 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 more