[TL][Y]1PCS 0.5 Modulus 1.98mm/2.28mm/ 2.98mm Aperture Hole Diameter Single-head Copper Worm Gear Matching 2mm/2.3mm/3mm Shaft

2Pcs 0.5 Modulus 1.98Mm/2.28Mm/ 2.98Mm Aperture Hole Diameter Single-Head Copper Worm Gear Matching 2Mm/2.3Mm/3Mm Shaft

10Pcs 0.5M 7MM Aperture Bore Hole 3MM 2.98MM 3A Helix Angle 4°46′ 10MM Single Head W7103A Brass Worm Gear Reduction 0.5 Modulus

Micro Copper Worm Gear OD2.4mm Width 3.5mm Hole 0.98mm Wormwheel W2.4x3.5-1A 0.2M Pinion

1:87 Modulus 0.2 15T Micro Brass Turbine Worm Static Change Gear Hole Dia 0.8Mm/1Mm Reduction Pinion Shaft Connector

1 Set 0.5M Copper Worm Gear Drive Combination Set 12/15/16/18/32 Teeth 2Mm/3Mm 2Mm Step Hole Diy Model

1 Set 0.5M Copper Worm Gear Drive Combination Set 12/15/16/18/32 Teeth 2Mm/3Mm 2Mm Step Hole Diy Model

1 Set 0.5M Copper Worm Gear Drive Combination Set 12/15/16/18/32 Teeth 2MM/3MM 2MM Step Hole DIY Model

1 Set 0.5M Copper Worm Gear Drive Combination Set 12/15/16/18/32 Teeth 2Mm/3Mm 2Mm Step Hole Diy Model

1 Set 0.5M Copper Worm Gear Drive Combination Set 12/15/16/18/32 Teeth 2Mm/3Mm 2Mm Step Hole Diy Model

1 Set 0.5M Copper Worm Gear Drive Combination Set 12/15/16/18/32 Teeth 2Mm/3Mm 2Mm Step Hole Diy Model

1/87 Modulus 0.2 15T Micro Brass Turbine Worm Gear Hole Diameter 0.8mm/1mm Reduction Pinion Shaft Connector for Model Railway

5pcs 0.5 Module Brass Worm Gear Worm Wheel 6x6mm Shaft Hole 2mm Tight Fit Motor Gear Rack Mechanical Transmission Accessories

1:87 Modulus 0.2 15T Micro Brass Turbine Worm Static Change Gear Hole Dia 0.8Mm/1Mm Reduction Pinion Shaft Connector

2Pcs Copper Worm Wheel 40 Teeth Worm Gear 05 Modulus 5Mm Hole Diameter Shaft High Replacement for Transmission

1:87 Modulus 0.2 15T Micro Brass Turbine Worm Static Change Gear Hole Dia 0.8Mm/1Mm Reduction Pinion Shaft Connector

1:10 Copper Worm Gear 0.5M 2.3/3/3.175mm Small Accessory Non-Standard Gear

1:10 Copper Worm Gear 0.5M 2.3/3/3.175mm Small Accessory Non-Standard Gear

1/87 Modulus 0.2 15T Micro Brass Turbine Worm Gear Hole Diameter 0.8mm/1mm Reduction Pinion Shaft Connector for Model Railway

5Pcs 0.3 Modulus Brass Worm Gear Single-Head Worm 3.8x5mm Bore 0.98mm 14T Worm Wheel 14:1 Reduction 4.8x2mm 1.48mm Aperture 1.5A

5Pcs 0.3 Modulus Brass Worm Gear Single-Head Worm 3.8x5mm Bore 0.98mm 14T Worm Wheel 14:1 Reduction 4.8x2mm 1.48mm Aperture 1.5A