IKN Golden Output Square Jack 1/4'' 6.35mm for Les Paul/Tele/SG Style Electric Guitar Part Mainly for guitar bass jack plate replacemen,replace your worn out parts. Standard square plate which is used commonly.1/4" (6.35mm) mono jack socket. Screw Hole Center to Center:approx.1.02 * 0.79in;Plate Size:approx.Length 1.34in/34mm,Width 1.10in . Material:metal;Color:Golden. Package Included:1x jack socket.