brand new and high quality
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
Base Size (L x W): Approx. 0.43 x 0.23 inch / 11 x 6mm
Total Height: Approx. 0.47 inch / 12mm (including the roller)
Roller Size (L x D): Approx. 0.4 x 0.2 inch / 10 x 5mm
String Spread (Center to Center): Approx. 0.27 inch / 7mm
Material: Zinc alloy
Color: Gold/Silver/Black.
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you