SAVÖX SH-0255MG - Metal-Geared Digital Micro Servo
The Savox SH-0255MG micro, metal-gear, digital servo has plenty of torque to match much larger standard size servos and outperform other competitive micro-size servos.

Features:
Metal gear train ensures durability and longevity
Aluminum middle case allows for cooler operating temperatures
Ideal for small planes and 450 size helicopters

Specifications:
Torque @4.8V: 3.1kg/cm
Torque @6V: 3.9kg/cm
Speed @4.8V: 0.16 sec/60 deg
Speed @6V: 0.13 sec/60 deg
Dimensions L x W x H: 22.8 x 12.0 x 29.4mm  (Bredd 12 mm Vingservo?).
Weight: 15.8g

Technical Details:
Operating Temperature: -10° to 50°C
Running Current (no load): 180mA @4.8V, 240mA @6.0V
Stall Current (at locked): 1200mA @4.8V, 1400mA @6.0V
Idle Current: 5mA @4.8V, 5mA @6.0V
Wire Length: 250 ± 5mm
Output Gear Spline: 21 Tooth
Bearings: 1BB
Operating Travel: 90° (1000 - 2000 µ second)
Neutral Position: 1500 µ second
Pulse Width Range: 750 - 2250 µ second
Maximum Travel: Appx 145° (750 - 2250 µ second)
Refresh Rate: 240 Hz
Motor Type: Brushed