Weighing in at 4.2 grams, surplus NanoMuscle Rotary shape memory alloy actuators are now available directly from Miga Motor Company. These spring-loaded rotary muscle wire actuators provide 60˚ of rotation using the linear NM70-Super memory metal actuator, encapsulated in a body with a cam-action rotary output shaft. Operating voltage ~3-6V.The rotary NanoMuscle memory metal actuators come in two different versions, the 2-pin NM70R-2P, and 6-pin NM70R-6P. Refer to the Downloads page for details.