uxcell 20 Pcs 4 Pin 2.5mm Audio Jack Socket PCB for Headphone Country of Manufacture: CHINA; Material: Metal, Plastic Net Weight: 8g; Package Content: 20 x PCB Mount Audio Jacks Main Color: Black, Silver Tone; Type: 2.5mm Socket Pin: 4 Pins Size: 11 x 5 x 7mm/0.43" x 0.2" x 0.28"(L*W*H)