YEJMKJ Ratio 50:1 Planetary Gearbox for Nema 17 Stepper Motor 42-66mm Backlash 20 arcmin Input Shaft 25.5mm φ5mm Planetary Reducer for 42 Step Motor incl. 4 Screw 2 Plug 1 Key CNC 3D Printer DIY
£68.84
Price shown was last seen 6d ago. Amazon prices change frequently — check before buying.
Specification
| Brand | YEJMKJ |
| Condition | New |
| ASIN | B0FHHQGC3F |
Recent price history
| Seen | Price | Condition |
|---|---|---|
| 24 Oct 2026, 02:50 | £68.84 | New |
| 15 Oct 2026, 16:50 | £68.84 | New |
| 10 Sep 2026, 21:20 | £47.38 | New |
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