02 Ago 500X 0.5M Double Gear Reduction Bilayer 22 Teeth 10 Teeth Hole 2MM 2.05MM 22102B
0.5 Modulus 0.5M Plastic Double Gear Reduction Bilayer Gears 22T 10T Hole 2.05mm FD935. 0.5 Modulus 0.5M Plastic Double Gear Reduction Bilayer Gears. 2B: aperture=2.05mm,Loose fitting with 2mm optical axis (free rotation)....