The ZWO Counterweight Bar for the AM5 mount is made of 304 stainless steel and is needed for balancing loads that exceed 13kg.
With a shaft diameter of 20mm and an M12 x 1.75 screw thread, the ZWO counterweight bar can be used with any mount that features matching threads.
|Counterweight shaft diameter||20 mm
|Counterweight shaft length
||M12 x 1.75