The original Roundbacks from Kluson!

“Roundbacks” are closed type, maintenance-free tuners for modern 10mm pegholes. The special 18:1 gear-ratio allows for extremely smooth and precise tuning.
Lowest tolerances and best manufacturing technology make the Kluson “Roundbacks” the perfect standard for modern tuning machines.

• for 3+3 headstocks
• 3-Step Kidney Buttons
• 90° attachment latch
• for 10mm pegholes
• Kluson “Super Smooth” 18:1 gear ratio
• incl. bushings and screws