Panoramic Head, 21mm Thick Ultra Slim 360Rotating Scale Professional Panorama Head Mount Holder for Camera Tripod Ballhead Quick Release Plate, Compatible with ARCA SWISS/KIRK Ball

【1】Made of aviation aluminum, CNC precision machining, surface oxidation treatment, lightweight design with weight only about 126g; 【2】With clamp adjustment knob and horizontal locking knob symmetrical design, built-in spirit level, 360° precision scale; The diameter of the head excluding knob is about 58mm, the thickness excluding the bottom plate is only 21mm; 【3】The top center hole is 1/4" and the bottom hole is built-in 3/8" female thread, bottom plate is detachable; 【4】Panoramic Head, 21mm Thick Ultra-Slim 360°Rotating Scale Professional Panoramic Panorama Head Mount Holder for Camera Tripod Ballhead Quick Release Plate, Compatible with ARCA-SWISS / KIRK Ball Head. 【5】With AS interface, compatible with RRS / ARCA-SWISS / KIRK / Wimberley / MARKINS / SUNWAYFOTO / kangrinpoche / BENRO / SIRUI ball head and quick release plate of AS interface too.