Overview The Power Hobby 633MCW is a high-voltage waterproof coreless steel-gear servo producing 445 oz-in of torque at 8.4V. Designed for 1/8 and 1/10 high-power RC applications, this servo combines coreless motor speed with steel gear durability and aluminum case construction in a fully waterproof package. Key Features 445 oz-in torque at 8.4V (HV) Coreless motor for high-speed response Steel gear train for durability Aluminum case for heat dissipation Waterproof construction Performance Benefits Strong torque for 1/8 monster trucks/crawlers Coreless motor = fast steering response Steel gears handle hard impacts Waterproof for any environment Technical Specs Torque @ 8.4V: 445 oz-in Operating Voltage: 6.0V – 8.4V (HV) Motor: Coreless Gears: Steel Case: Aluminum Waterproof: Yes What's Included (1) Power Hobby 633MCW Coreless Servo Mounting Hardware Summary The Power Hobby 633MCW HV Coreless Steel-Gear Servo is the perfect waterproof, high-torque steering solution for any 1/8 or 1/10 RC build.