This is the Savox 0251MG+ Metal Gear Digital Servo 16kg/0.18S

The SC-0251MG+ is a fast digital servo ideal for RC cars but also suitable as a wing servo
The "Plus" series servos are compatible with Soft Start and Sanwa SSR.

Features:
• Precise and fast response
• Fine resolution
• Ball bearing
• Precision metal gears
• Soft start and SSR compatible

Specifications:
• Torque: 4.8 - 6V
• Speed: 0.09-0.10
• Actuating force: 7-9 kg 
• Dimension L x W x H mm: 40.8 x 20.2 x 25.4 mm
• Weight: 44,5 g 

Servo - Dimensions

Servo Type: Standard Servo

Spline Type: 25T Spline

Length (mm): 40,70

Width (mm): 20,00

Height (mm): 42,40

Weight (g): 61,00