SIRUI HA-77 Horizontal Arm1. Can be attached onto tripods with a 3/8" screw.
2. Arm smoothly pans 360° or can be locked in place.
3. Arm smoothly tilts 180° or can be locked at any angle.
4. Arm can slide left or right for creative control.
5. The HA-77 comes with 1 platform on the arm, an extra platform can be attached to the other side of the arm.
6. Telescoping arm can extend to 770mm (30").
7. Can be used as a mini video jib.