Features: Enhances your action camera with Aluminum Extension Arm, featuring 1/4" 20 threaded hole for mounting option, for capturings dynamic shotings for Action cameras. from aluminum, this extension arm is rusts resistant,ensuring stability and reduced wind resistance during fast speed. for adventure enthusiasts, this extension arm caters to skiers, skateboarders, cyclists, motorcyclists, and skydivers to captures their thrillings experiences with precisions. for outdoor sports, this extension arm can be used as stabilizers or selfies stick, providing support for capturing stunnings footages . With innovative hollows and three layer structure, this extension arm ensures secure connection, making it essential accessory for any action camera user to elevates their filming capabilities. Specifications: Materials: Aluminum Length: 8.50cm,16.50cm,20cm,25cm(optional) Package Includes: 1PC Aluminum Extension Arm note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.