The RS 666 C Electric Retract Actuator is small enough to fit into smaller retracts, measuring only 5/8" wide.  With all the electronics built right into the actuator it couldn't get any easier. 

This kit will convert your Robart air retract to electric.  Everything is included in the kits thats required to convert two retracts.  This is a set of 2 actuators, retract SOLD SEPERATE. OR GO TO RS 999

This kit will convert your Robart 630 (MAINS & Nose) air retract to electric.  Everything is included in the kits thats required to convert two retracts.  This is a set of 3 actuators, retract SOLD SEPERATE OR GO TO RS 999.