Amazon.com: Guyker Vintage Guitar Lock String Tuners (6 for Right Handed) – Locking Tuning Key Pegs Machine Heads Replacement Parts for ST TL Style Electric, Folk or Acoustic Guitars – Chrome : Musical Instruments
Jin Ho Locking Guitar Tuners, Right-Handed 6-Inline Tuning Peg Replacement, Chrome Plated, 19:1 Gear Ratio - Walmart.com