4.5 kg counterweight for iOptron MiniTower^TM/MT2/MTP mount or iEQ30^TM mount. Once a CW shaft  is attached to mount the counterweight can be moved and locked in place for optimal telescope balance.

              Weight:              4.5kg                        9.8 lbs.

Outer diameter :              120 mm                    4.7 in.

  inner diameter:              20 mm                      0.78 in.

               Height:              50 mm                      2 in.

                 Color:               Black