Features:
Dual ball bearings
Metal gears

Includes:
S3306MG Servo with (30mm) Round Horn
3.8" (97.3mm) 4-Point Horn
3.4" (87.5mm) 6-Point Horn and Mounting Hardware

Specifications:
Dimensions: 2.60" (66mm) x 1.18" (30mm) x 2.25" (57mm)
Max Servo Torque: 444 oz/in at 6.0V
Product Weight: 4.59oz (130g)