Boom Arm, High Hardness Mic Boom Arm for TV Applications for Interview for Video Production 4 Section Specification: Item Type: Mic Boom Arm Material: Aluminum Alloy Number of Sections: 5 Top Thread: 1/4in Screw Bottom Thread: 1/4in Screw Hole Storage Length: Approx. 39cm / 15.35in Stretch Length: Approx. 39-155cm / 15.35-61.02in (Due to Manual Measurement, Please Allow Error) Maximum Load Bearing Capacity: 3kg Diameter: Approx. 22mm / 8.66in-19mm / 7.48in-16mm / 6.30in-12mm / 4.72in-10mm / 3.94in 4 Section Extension Rod Parameters: Number of Sections: 4 Top Thread: 1/4in Screw Bottom Thread: 1/4in Screw Hole Storage Length: Approx. 45cm / 17.72in Stretch Length: Approx. 45-155cm / 17.72-61.02in (Due to Manual Measurement, Please Allow Error) Maximum Load Bearing Capacity: 2kg Diameter: Approx. 19mm / 7.48in-17mm / 6.69in-13mm / 5.12in-10mm / 3.94in Package List: 1 x Mic Boom Arm Note: Due to manual measurement, please allow error