Features The 24 tooth spur wheel has 6 types of teeth to choose from, you can choose according to your needs, I believe it can make your life more convenient. Servo spur gears can provide different torques and gear ratios by combining with other gears with different numbers of teeth, and have a variety of functions and obvious effects. The 24 tooth steel power steering gear with a module of 0.8 can be combined with any gear with a module of 0.8, with stable performance and strong practicality. You need to choose different gear ratios depending on the actual situation and use them in your equipment, 100% new and high quality, reliable and safe. The spur gear is made of high quality steel with high strength, advanced technology and exquisite craftsmanship, exquisite workmanship, smooth and delicate appearance, durability and long service life. Specification: Item Type:Servo Spur Gear Material: high-quality steel. Model size: Model Number of outer teeth 4307-1025-0012 12 4307-1025-001515 4307-1025-0020 20 4307-1025-0024 24 4307-1025-0030 30. 4307-1025-0040 40 Tooth Shape: Spline Number of internal teeth: 24. Purpose: by combining with other gears with different numbers of teeth, different torsion and drive gear ratios can be provided Package list: 5 x servo headgear. Note: use it with other gears in a reasonable match to be effective Package List 5 x Servo Spur Gear