[Pre Order - allow extra time] Sunwayfoto IB-30S Low Profile Inverted Ball Head with Picatinny/Nota Arca Swiss Adapter Clamp with Screw-Knob Load Capacity: 39.7 lb, Height: 2.3", Weight: 9.2 oz, Arca-Type and Picatinny/Nota Compatible, CNC-Machined...