Enhance your electric guitar's performance with these reliable string retainer bars. Ideal for use with single and double tremolo systems, these retainers are installed on the headstock, helping to maintain consistent string and tuning. great for musicians and hobbyists alike, these accessories ensure your guitar stays in tune, even during vigorous playing. Features -Color:Black -Material:Copper -Size:5.00X2.50X0.50cm/1.97X0.98X0.20in -Size:3.50X3.00X0.10cm/1.38X1.18X0.04in -Copper Material: crafted from reliable copper, these string retainers offer exceptional strength and longevity, ensuring your guitar remains in top condition -Tuning stability: by keeping the strings firmly in place, these retainers reduce the risk of string slippage, providing more stable and accurate tuning -Userfriendly: designed for easy installation, these retainers come with screws and require no skills, making them ideal for all guitarists -Improved performance: these retainers help eliminate unwanted buzzing, resulting in a cleaner, more great sound from your electric guitar -Compatibility: these string retainers are suitable for a wide range of electric guitars, making them a versatile addition to your guitar accessories Package list: 2 x string retainer 4 x screws 1 x guitar pick 1 x specification