String Instruments Accessories -Guitar Roller String Retainer Highlights Generic Brand Guitar Roller String Retainer Description: Brand new and high quality a pair of roller style guitar string retainer Two small rollers on each shaft and stake design, hold the string perfectly Help you stay in tune and prevent the strings from breaking Suitable for electric guitar Replace old or damaged string retainers Material: Iron Size Chart: Size: Approx. 12 x 11.5 x 10mm / 0.47 x 0.45 x 0.39inch Package includes: 2 pieces Guitar Roll String Retainer Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be an error of 1-2mm.