The E-Image is a Microphone Holder Mount for Boom Poles from E-Image. It is made with high-top aluminum alloy material, CNC process, providing stable support to your boom or microphone stand and save your energy. Covering with rubber material, which offers zero scratch to your device. It features durable, light weight and universal. With 18mm standard hole, it can be fixed on light stands or tripods Specifications size: 19x10.5x6cm Weight: 205g Connector Dia.: 18mm