Metal String Retainer Trees Roller Guitar Parts Accessories (a String Retainer + a piece screw) one set
The rollers on them can lessen the stress on your strings, which allows the guitar to stay in tune longer
They also can prevent wear and tear on the strings, which results in longer string life
Compatible with electric guitar and bass
Material: Zinc alloy
Color: Gold/Silver/Black (you can choose the colors you like)
Packing list : 1 piece String Retainer + 1 piece screw
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!