Description:Suitable for headphones with a rear inner diameter of 6.2mm or more.Pure copper plated material, solid and durable, will not affect the sound quality of music.Easy to install and easy to disassemble.Specification:Material: pure copper gold platedSize: 10x4x4 mm / 0.39x0.15x0.15 inchPackage Includes:1 Piece Solder Connector1 Piece Screw Bolt