2 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: 2 kg 4.5 lbs.
Outer diameter : 118 mm 4.6 in.
inner diameter: 20 mm 0.78 in.
Height: 25 mm 1 in.