Please be aware of incorrect specifications. GOTOH SGS510Z-HAPM-A07-L6-Chrome GOTOH guitar locking tuners with a L6 configuration. Features HAP and MG mechanisms combined into a height-adjustable magnum lock system, A07 buttons, and a chrome finish. ■ Guitar Tuners ■ H.A.P.M. ■ A07 Buttons ■ 6-in-line ■ Chrome These tuners could be installed on a guitar with SG381 type tuners (zo-3). *Please note that we cannot confirm or guarantee whether these tuners can be installed on your guitar without modification.