Metal Blank Gibson SG Tenon Cover/Fingerboard Spacer Brass Chrome plated Mounting Hole spacing - 2 3/16" (55.5mm) Width - 3 3/16" (82mm) Height - 5/16" (15.5mm) Thickness - 1/16" (1.6mm) Mounting Screws not included - uses standard Gibson #3 x 3/8" pickguard screws