Special designed counterweight kit for Z-axis balance.

It fits on following iOptron mounts (has a M8 threaded holes on dovetail saddle):

• CEM120
• CEM70
• CEM40 (6″ V/D dual saddle with a M8 threaded hole)
• GEM45 (6″ V/D dual saddle with a M8 threaded hole)

It can also be used for other mounts with a M8 threaded hole, on dovetail saddle or counterweight.

Specifications:

Counterweight 

• OD: 49mm
• ID: 12mm
• Thickness: 20mm
• Weight: 292g
• Material: Stainless Steel

CW shaft

• Diameter: 12mm
• Length: 60mm
• Thread: M8X1.25mm (both ends)
• Weight: 48g
• CW shaft end screw: No
• Material: Stainless Steel