Part Number: WP90 Servo High-Reliability 180° copper gear digital servo, 2.3 kg. cm Large torque, Compact Size & Lightweight The servo can be used in scenarios or products with limited space. Ideal choice for building quadruped robots, hexapod walkers, robotic arms and other robotic projects requiring multiple servos The WP90 adopts a tough, durable, and rigid ABS case, ensures structural strength while reducing its own weight, allows more flexible use in weight-sensitive scenarios