The guitar retainers are designed for most electric guitars, it helps to retain the string to reduce the string friction and maintain accurate tuning. Features: HIGH QUALITY MATERIALS: The guitar string retainer is made of premium iron material, it is quite durable and strong. GOOD REPLACEMENT: Great replacement for your broken, dirty or old guitar string retainer. PREVENT WEAR: Prevents wear and tear on the strings which results in longer string life, which allows the guitar to stay in tune longer. DURABLE: Guitar string tree is made of high quality iron, delicate workmanship with good texture, smooth surface for you to use. APPLICATION: It is installed on the head of the guitar, pressing the strings, guiding the strings to go in the right direction. Specifications: Color: Black / Silver / Gold (Optional) Material: Iron Retainer Size: 11 * 4.5 * 4.2mm / 0.43 * 0.17 * 0.16in Package Weight: 5g / 0.17oz Package Size: 1 * 1 * 0.5cm / 0.39 * 0.39 * 0.19in Package List: 2 * String Retainers 2 * Screws 1 * Low Sleeve 1 * High Sleeve