494RC2 Ball Head

Made about 2009-07-27
For Serial Number C1375467




A1 Quick Release 1/4-20 Screw
A2 Quick Release 3/8 Screw
A3 Quick Release 1/4 Anti-Rotate
A4 Quick Release 3/8 Anti-Rotate
A5 1/4 Thumbscrew
A6 3/8 Thumbscrew

B1 Top Plate Assembly
(includes all C parts)
B2 Ball (not a stock item)
B3 QR Receiver Screw

C1 QR Safety Catch
C2 QR Cam Thumb Lever
C3 QR Cam Return Spring
C4 QR Cam Pivot Screw

D1 Main Casting (not a stock item)
D2 Control Knob
D3 Drag Control Knob

E1 Base Assembly (not a stock item)
E2 Fixed Bearing (not a stock item)
E3 Bearing With Spring (not a stock item)
Notes: All versions are compatible