- Ideal for classical guitar, includes all accessories. - One plank per side tuning key. Post spacing: 35 mm (1-3/8 inch). - Common size 10 mm (13/32 inch) shaft diameter. - Color: Nickel w/ Plastic Button; Gear ratio 15:1. Key benefits and attributes - Function: Tuning keys designed for classical guitar applications with a 15:1 gear ratio for precise tuning adjustments. - Compatibility: Post spacing of 35 mm and shaft diameter of 10 mm are standard dimensions for common classical guitar installations. - Size and fit: 35 mm post spacing and 10 mm shaft diameter specify exact dimensions to match appropriate headstock configurations. - Material and finish: Nickel finish with a plastic button provides a durable appearance and a comfortable feel. - Performance: Gear ratio of 15:1 enables smooth and accurate tuning adjustments during setup and maintenance. Use scenarios - Replacing worn or damaged tuners on a classical guitar that requires 35 mm post spacing and 10 mm shaft diameter. - Upgrading existing tuners to a nickel finish with a plastic button for a clean look and consistent feel, while maintaining standard dimensions. - Installing on a new build or repair project where standard 10 mm shaft diameter and 35 mm post spacing are needed, with a 15:1 gear ratio for precise tuning.