Jackplate for Les Paul or solid body styled guitars, chrome with screws. Jack hole diameter is 3/8" (9.5mm). 1-11/32" square, with the mounting screw holes spacing - 1" (25.4mm). The jack plate has a slight curve to match the body's curved sides. Twin Town Guitars does guitar repairs on instruments, electronics, and do Plek work! • MFSKU AP-0633-010 • UPC 645208000461