Product features ● Made of iron core, it is strong when nailed to the cabinet. ● Soft PVC outer processing, completely solve rubber odor. ● The rubber layer comes into contact with the microphone to protect it intact. ● Convenient, with the microphone hanging. ● Black, brown, looks upscale. (Other colors available) Product specification ● Inner straight diameter: 45.7mm ● Outer straight diameter: 74.64mm ● Opening width: 37.2mm ● Weight: 63G ● Material: soft PVC