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Orion 7832 Dual Axis TrueTrack Telescope Drive
STEPPERONLINE Planetary Gearbox Gear Ratio 51 Backlash 30 arcmin for 95mm Short Shaft Length Nema 17 Stepper Motor
Bclla ZkenshanDIY Motor 220V Double Bearing DC Motor Dynamo Generator Phase Resistance 400 Easy to Install
Orion AstroTrack Drive for EQ1 Equatorial Telescope Mount