Welcome to our store! 1. Product Information: The gear pitch is 48DP/0.53M. The 33T, 34T, 35T, 36T, 37T represent the number of teeth on the pinion gear. Suitable for 1/10 RC remote control model car motors with a 3.175mm/0.12in shaft. 2. Smooth Operation: The gear sets boast excellent processing performance, low runout, and minimal noise, ensuring smooth rolling. 3. Free Style: Speed is determined by your gear ratio. With gears offering various tooth counts, you have more options for your gear ratio. 4. Material: Made from high-precision chrome-molybdenum alloy steel with a heat-treated surface, ensuring strong wear resistance and stable performance. 5. Exquisite Workmanship: Precision machined with pre-drilled screw holes for easy installation and use. The package includes machine screws. Item Type: RC Car Gears Set Material: Chrome-molybdenum alloy steel Color: Black Number of teeth: 33T 34T 35T 36T 37T Gear pitch: 48DP/0.53M Center bore: Approx. 3.175mm/0.12in 33T Size: ￠Approx: 18.4 x 11mm/0.72 x 0.43in 34T Size: ￠Approx: 19x11mm/0.74x0.43in 35T Size: ￠Approx: 19.6 x 11mm/0.77 x 0.43in 36T Size: ￠Approx: 20x11mm/0.78x0.43in 37T Size: ￠Approx: 20.6x11mm/0.81x0.43in Application: Suitable for 1/10 RC remote control model car motors with 3.175mm/0.12in shafts. 5 x Motor gears 5 x machine screws 1 x Wrench Customer Satisfaction - Customers are our top priority. If you find any problems with the product after receiving it, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.