Connector Type: 6.35mm; Pin: 3 Pin. Size: 32mm*25mm*36mm(L*W*H) Package Content: 1Pcs x TRS Audio Socket Jack Screw Installation hole diameter: 3.5mm; Connector Installation diameter: 21mm Made of plastic and metal material, this 3 Poles 6.35mm mounting socket will be an great item to replace the broken 6.35mm socket. For audio equipment, such as desktop CD players, professional studio headphones, and electric guitars, electronic instruments