Feature: 1. DURABLE MATERIAL: Guitar locking tuners are made of metal material, ensuring durability and longevity, making them a practical choice for musicians 2. COMFORTABLE HANDLE: Ergonomically designed tuning plugs provide comfort and ease of use so that musicians can use them comfortably, useful and practical 3. GUITAR TUNING TOOL: The tuning pegs operate smoothly and enhance the overall experience, ensuring stable and accurate tuning so that they can be use accurately to achieve the desired sound 4. SAFE TO USE: The locking mechanism of the tuning peg enhance safe and reliability, ensuring that the strings remain in tune and the instrument remain safe during use 5. APPLICABLE MODEL: Contain 6 left hand tuning heads for most old for Strat Tele or some acoustic guitars(left hand), fit well and you can use with confidence Specification: Item Type: Guitar Locking Tuners Material: Metal Application: For most vintage for Strat Tele or some acoustic guitars(left hand). Package List: 6 x Guitar Tuning Machine Heads 6 x Screws 6 x Bushings