Highline midi window operator for use with manual chain opener (WCS150). Opening at a maximum of 380mm. Easy to install. A Midi Operator is used to manually wind open or close a high level or hard to reach window. A single Midi Operator can be used to control individual or multiple Manual Openers (WCS150). Has a maximum opening of 380mm (adjustable). Supplied complete with Handle (WCS275), Square
Conduit (WCS410) and Brass Stop (WCS720).