4.5 kg counterweight for iOptron iEQ30, ZEQ25GT, or MiniTower mount. Once a CW shaft is attached to mount the counterweight can be moved and locked in place for optimal telescope balance.
Weight: 4.5 kg 9.8 lbs.
Outer diameter : 118 mm 4.6 in.
inner diameter: 20 mm 0.78 in.
Height: 55.5 mm 2.2 in.