More from Amazon.com : http://www.amazon.com/gp/product/B00573N5V6?tag=purrfectcatdi-20
Feisol CB-50DC Carbon Fiber Ball Head with Release Plate QP-144750
Ball Diameter 50 mm 197
Base Diameter 70 mm 28
Thread Size 38
Max Load 19 Kg 41 lb
Height 108 cm 425
