Restricted: This item is only approved for purchase by Business Accounts. This accessory helps expand and enhance the functionality of an actuator. Actuator Accessory, 3/8 Elongated Damper Crank Arm, Stem Force (Lb.) , Full Load Amps, Locked Rotor Amps, Input Voltage, Voltage Output, - Hz, Electrical Connections, Depth (In.) , Width (In.) , Height (In.) , Length (In.) , For Use With Mfr. No. MP909D1201, MP909D1219, MP909D1227, MP909D1441, MP909E1018, MP909E1026, MP909E1174,