Vintage Correct Shaped Square Metal Jackplate Made in the USA Brass Chrome plated No mounting screws are included Curved to match Gibson Les Paul body Dimensions - 1 3/8" (35.5mm) X 1 3/8" (35.5mm) Thickness - 3/64" (1.24mm) Mounting holes - 1" (25.6mm) center to center Jack mounting hole - 3/8" (9.7mm) diameter