Item Type: Guitar Locking Tuner Material: ABS Package List 6 x Guitar Locking Tuner 12 x Screw 6 x Another Accessory 1Wide Compatibility: The guitar locking tuner is designed for use with most electric guitars, providing a versatile accessory for guitarists with multiple instruments. 2Improved Stability: The locking design of the guitar's locking tuners helps to hold the strings in place, reducing the possibility of string slippage and improving tuning stability during play. 3Easy Installation: The guitar locking tuner can be easily installed without professional tools or expertise and can be used by amateur and professional guitarists alike. 4Long Lasting: The guitar locking tuner is made of reliable ABS material to ensure durability and long lasting performance. 5Vintage Style: The vintage style of the guitar locking tuners gives them an aesthetic appeal that complements the overall look of the guitar and adds a classic texture to the look of the instrument.