5KG COUNTERWEIGHT FOR iOPTRON MOUNTS refractor it is recommended to use

it is recommended to use a UV/IR cut filter

10 mm (male thread excluded)

M33 by Dave Sokolich | Esprit 120ED Pro

It uses a high quality ultra-thin hybrid stepper motor that compared to standard electrical motors

2x M4 screws

5KG COUNTERWEIGHT FOR iOPTRON MOUNTS refractor it is recommended to useThis 5kg counterweight will fit the following iOptron mounts: CEM70 CEM70EC CEM70G CEM60 CEM60EC GEM45 GEM45EC GEM45G CEM40 CEM40EC CEM40G* (for late version with 28mm CW shaft) iEQ45 Pro iEQ45 It can also be used for any other mount that has a 28mm diameter counterweight shaft. Specifications Weight 5 kg (11 lbs) Outer diameter 148 mm (5. 8") Inner diameter 28. 5 mm (1. 12") Height 38 mm (1. 5") Locking mechanism M8 locking screw SKU IO 8027