CHENJIN Roller String Trees 2PCS Black Metal String Retainer Guides Retainers with Screws for Electric Guitar Parts

Specification: Base size (length x width): about 0.43 x 0.23 inches / 11 x 6 mm Total height: about 0.47 inches/12 mm (including rollers) Roller size (length x depth): about 0.4 x 0.2 inches/10 x 5 mm String propagation (center to center): approx. 0.27 inch / 7 mm material: metal The package includes: A pair of guitar string holders, 2 mounting screws Notice: Due to shooting reasons, the color may be slightly different, and the allowable measurement error is +/-1-3cm. These are factory parts without original packaging and do not include instructions. If you have any questions about installation, please consult your local luthier.