1.5M Helical Gear 45-Degree 12/13/14/15/16/17/18/19/20 Tooth Spiral Metal Gear Parallel Staggered LEFT/RIGHT

1.5M Helical Gear 45-Degree 12/13/14/15/16/17/18/19/20 Tooth Spiral Metal Gear Parallel Staggered LEFT/RIGHT

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