| Lightweight aircraft grade aluminum housing eliminates headstock neck dive Compact footprint installs easily onto small or modern bass guitar headstocks Precision 20 to 1 gear ratio provides fast and accurate tuning adjustments Reversible tuning key easily converts for treble or bass side placement Fits standard 3/8 inch post diameter with 9/16 inch headstock mounting holes | Stainless steel tuning key resists rust and tarnishing from regular use High durability construction protects against wear during long gigging use Sleek black finish adds a modern aesthetic to your instrument hardware Sold individually so you can build exact custom tuner configurations easily Engineered and manufactured in the USA for reliable performance and quality |