Item Type: Mic Boom Arm_x000D_ Material: Aluminum Alloy_x000D_ Number of Sections: 5_x000D_ Top Thread: 1/4in Screw_x000D_ Bottom Thread: 1/4in Screw Hole_x000D_ Storage Length: Approx. 40cm / 15.75in_x000D_ Stretch Length: Approx. 39-155cm / 15.35-61.02in (Due to Manual Measurement, Please Allow Error)_x000D_ Maximum Load Bearing Capacity: 3kg_x000D_ Diameter: Approx. 22mm / 8.66in-19mm / 7.48in-16mm / 6.30in-12mm / 4.72in-10mm / 3.94in_x000D_ 4 Section Extension Rod Parameters:_x000D_ Number of Sections: 4_x000D_ Top Thread: 1/4in Screw_x000D_ Bottom Thread: 1/4in Screw Hole_x000D_ Storage Length: Approx. 45cm / 17.72in_x000D_ Stretch Length: Approx. 45-155cm / 17.72-61.02in (Due to Manual Measurement, Please Allow Error)_x000D_ Maximum Load Bearing Capacity: 2kg_x000D_ Diameter: Approx. 19mm / 7.48in-17mm / 6.69in-13mm / 5.12in-10mm / 3.94in 1Soft Foam Handle: This mic boom arm adopts high density soft foam handle for comfortable and nonslip grip. 21/4 Inch Screw: The 1/4 inch screw at the top can be connected to microphone, digital camera, motion camera, supplementary light, stabilizer, mobile phone accessories, etc. 3Locking System: This mic boom arm adopts nonslip tube and locking system, locking in clockwise, and loosen in anticlockwise. 41/4 Inch Screw Hole: This mic boom arm has 1/4 inch screw hole at the bottom for tripod or other devices. 5Aluminium Alloy: This mic boom arm is made from aluminium alloy material, adopting CNC and anodizing technology, which ensures high hardness and high durability.Due to manual measurement, please allow error1 x_x000D_ _x000D_ Mic Boom Arm