This is the MultiPlex Heavy Duty Standard Size Servo.
Heavy duty nylon gears. Universal connector Can be used in cars and aircraft where a standard size servo is needed.
Length : 1.6 In. (40mm)
Width : 0.8 In. (20mm)
Height : 1.4 In. (37mm)
Weight : 1.52oz (43g)
Torque : 4.8V@42 oz-in, 6.0V@51 oz-in
Speed : 4.8V@0.18 sec, 6.0V@0.15 sec