Musiclily Oval Indented Jack Output Plate Jackplate and Socket for Mono Electric Guitar, Black(Pack of 2) Ideal for electric guitar replacement With 1/4 inch (6.35mm) jack;Jack hole diameter is 3/8" (9.35mm);The mounting screw holes spacing 1-7/16" (37mm) Color: Black; Shape: Oval Come with screws, ready to use Package Includes: 2 Pcs Guitar Jacks