Specifications:Stereo jack socket: 1/4"(6.35mm) Inner diamterTotal length: 30mmOuter diameter: 20mmQuantity: 20pcsFeatures:6.35mm Stereo socket mounted on the panel.Chrome nut & washer, the nut and screw closely, without nuts loose phenomenon.For All electric guitar & bass guitar.What's included:20 x Jack SocketsNote:Please refer to the description and size to make sure this is the right sockets you want.On Jan 27, 2024 at 22:08:00 PST, seller added the following information: