100 PCS 0.5 Modulus Worm pengurangan gear 0.5 M 6X10 MM 6*10mm lubang Aperture 1.95mm gigi plastik 6 MM X 10 MM * FD621X100

100 PCS 0.5 Modulus Worm pengurangan gear 0.5 M 6X10 MM 6*10mm lubang Aperture 1.95mm gigi plastik 6 MM X 10 MM * FD621X100