- Perfect for daily maintenance of guitars, adjustments, or professional repairs in music stores, helping your guitar stay in top condition - Achieve precise string-height adjustments with our Guitar String Action Indicator, improving playability and performance - This tool is suitable for electric guitars, acoustic guitars, bass guitars, and even 6-string basses, providing a comprehensive solution for string height - This metal tool features a clear conversion diagram for easy visual identification of string height, ensuring accurate setup every time Use scenarios - In a music shop or workshop: technicians perform precise action setups and repairs for customers across instrument types - At home or practice space: quick routine maintenance and accurate height checks to keep guitars playing smoothly - Before performances or recording sessions: quick action checks to ensure consistent string height across instruments used in the same setup