... for roller shutter window ,awning,hurricane shutter Manual Control Parts for Roller Shutter , manual crank, Awning ,Hurricane shutterFeatures:Order no ... .: SL141 1) Description: manual crank control system (used for window which area not ... set 4) Remark: used for manual window, without motor controlOrder no.: SL144 1) Description: manual tape coiler system (used for ...