Straight Spur Gear 10mm Inner Aperture 71T 1 Module 45# Steel Motor Gear 12mmx5mmx1mm then stick it to the

then stick it to the wall or a smooth surface

great corrosion resistance performance

Mainly used for wood

for: RC Model Airplane

Straight Spur Gear 10mm Inner Aperture 71T 1 Module 45# Steel Motor Gear 12mmx5mmx1mm then stick it to the1. The pinion motor gear is made of 45# Steel, the tooth surface is treated by high frequency quenching, more stable, anti wear, strong and durable, and durable in use. 2. Specifications: Material: 45# Steel, Teeth: 71T, Tooth Pitch: 3. 14mm 0. 12inch, Tooth Depth: 2. 25mm 0. 09inch, Outer Diameter: 73mm 2. 87inch, Aperture: 10mm 0. 39inch, Effective Tooth Length: 10mm 0. 39inch, Total Thickness: 10mm 0. 39inch, Module: 1 Mod, Pressure Angle: 20 3.