ITEM NAME:2x Earphone MMCX Jack Female Connector Socket With Screw Ring Copper Plated 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 plated Size: 10x4x4 mm / 0.39x0.15x0.15 inch Package Includes: 2 Pieces Solder Connectors 2 Pieces Screw Nuts SKU: DMO0017137019473963.Pure copper plated material, solid and durable, will not affect the sound quality of music. Material: pure copper plated. 2 Pieces Screw Nuts. People always bought together with.