Schaller's new and improved Keystone tuning buttons feature vintage original specs along with that classic look and feel. Designed to match contemporary as well as historic guitar styles. Available in single-ring and double-ring versions.

All sealed tuners are lubricated with Schaller special grease for lifetime maintenance-free service. All parts are precision-crafted and surface-finished, the self-locking drive ensures an even, delicate and steady tuning. All string posts are made of high-grade brass and fitted into the housing with utmost precision, ensuring the best possible tuning accuracy and wear resistance.

Features:

• Model: 3 left + 3 right
• Full set of 6 tuners
• Single Line, Single Ring
• Buttons: Keystone
• Finish: Gold
  
• Ratio: 16:1
• Hole Size: 10mm
• Post Height: 21.7mm
• Manufacturers Part Number: 10140523.16.36
• Replaces TPKB3