Step Spur Gear 10mm Inner Hole Pinion Gear 40T Mod 1 Aluminum Alloy Motor Gear M4x10mm 10x10mm 91"(Inner Dia)

91"(Inner Dia)

The tail section is smooth

may not work well for the single-colored light source

The brass key is durable and anti-rust

NOTE: Wear protective goggles and gloves while using

Step Spur Gear 10mm Inner Hole Pinion Gear 40T Mod 1 Aluminum Alloy Motor Gear M4x10mm 10x10mm 91"(Inner Dia)1. The spur gear is made of Aluminum Alloy, more stable, anti wear, strong and durable, and durable in use. 2. The spur pinion gears are widely applicable in various of Electric Grinders, Gearbox, Reduction Gear, and Gear Reducer. 3. Good machining made less roughness and noise than other gears that make them roll smoothly. 4. Good pinion gear replacement for your device. 5. Please confirm the size of the product before purchasing.