small size and lightweight, easy to carry.Bottom:Hot shoe with 1/4 inch screw hole; Top(installation platforms): 1/4 inch screw, widely applicate for camera ,flash light, light stand, tripod etc.With anti-slip rubber on the top for better protection.Panoramic Rotation: panoramic rotation; rotation: ; Ball head diameter is about 10mm, and it can be fixed easily by knob for meeting different .Product Name: Mini Ball Head with Hot Shoe Material: Aluminum alloyColor: BlackMax Load: 1kgWeight: 36g/pcSize: 56mm*18mm*18mm/pcTop: 1/4 inch Screw Anti-slip RubberBottom: Hot shoe with 1/4 inch screw holePackage List:2 * Mini Ball Head with Hot ShoeOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.