MHXPRO-BHQ6 -Ball Head with Q6 release

A1 Quick Release Plate

B QR Plate Receiver Assembly
B1 QR Lock Knob
B2 Bubble Level
B3 QR Receiver (not a stock item)
B4 QR Plate Adapter(not a stock item)
B5 QR Release Button(not a stock item)
B5 QR Lock Shoe (not a stock item)
B6 QR Receiver to Ball Screw

C1 Short Lock Knob
C2 Long Lock Knob
C3 Bottom Lock Knob(not a stock item)

D1 Main Body Assembly with Ball
(not a stock item)
D2 Base (not a stock item)

Editor note: Click on the numbered link to see the actual part picture.

See MHXPROBHQ6
Manufacturers Parts List