Highline midi window operator for use with manual chain opener (WCS100). Opening at a maximum of 250mm. 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 (WCS100, WCS175). Has a maximum opening of 250mm (adjustable). Supplied complete with Handle (WCS275), Square
Conduit (WCS410) and Brass Stop (WCS720). Please note this is not compatible with 380mm Chain opener (WCS150) this would require the longer 380mm Midi operator (WCS260)