90 Degree Gearbox RV30 Worm Gear Speed Reducer 5:1 - 80 :1 for 9mm or 11mm Input Hole 0.06-0.18KW Motor

90 Degree Gearbox RV30 Worm Gear Speed Reducer 5:1 - 80 :1 for 9mm or 11mm Input Hole 0.06-0.18KW Motor