Metal Tree Retainer Strings Roller Guitar Parts Accessories New

Description:The rollers on them can reduce stress on the strings, which allows the guitar to stay in tune longerThey can also prevent the strings from wearing out, resulting in longer string lifeCompatible with electric guitar and bassBasic size (L x W): Approx. 0.43 x 0.23 inch/11 x 6 mmOverall height: Approx. 0.47 inch/12 mm (including rolls)Roll Size (L x D): Approx. 0.4 x 0.2 inch/10x5mmThrust Spread (Center to Center): Approx. 0.27 inch/7mm Material: Zinc AlloyColor: Gold/Silver/Black. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Packaging:Guitar String GripsX 1 Pair