Feiyu Tech G4 Telescoping Extension Pole Telescoping extension pole attaches to the bottom of Feiyu Tech G4 GoPro gimbals and extends from 20-70cm Lightweight for easy portability Easily screws in to bottom of G4 and G3 gimbals Expand angles you can get without having to add the screw in style carbon fiber poles. Feiyu Tech G3 gimbals require the extension switch for compatibility.