For Insta360 ONE X2/X panoramic camera adapter and extension arm Feature: 1. Aluminum extension arm, used to shoot videos and photos with new extended angle of view, 2. Connect sports camera or panoramic camera and helmet mount/side mount or handle for higher level shooting, 3. Made of CNC aluminum, the hollow design reduces the load, 4. Standard 1/4 inch screw adapter, can extend backpack clip/selfie stick/tripod/wrist strap/chest strap and more photography accessories, 5. Easy to install, compact and portable. Material: Aluminum alloy Applicable models: for Insta360 ONE X2/X Color: Red, Black, Silver, Blue Net weight: 21.8g (converter and long screw), 61.1g (extension arm and adapter black and long screw) Package weight: 24g (converter and long screw), 65g (extension arm and adapter black and long screw) Product size: 2.3x2.8x2.3cm (transition head), 5.5x1.5x1.5cm (long screw), 16.5x1.6x1.5cm (extension arm) Package size: 14x8cm (converter and long screw), 19.5x12cm (extension arm and adapter black and long screw) Packing list: 1pcs Conversion head 2pcs Long screw 1pcs Extension arm Note: 1.Does not include Panoramic camera/backpack clip/helmet and helmet adapter, 2.Transition: 1cm=10mm=0.39inch, 3.Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering, 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item,please make sure you do not mind before ordering, Thank you