· Adjustable Spring Loaded Function
· Holds Shutter In Any Position
· Shutter Cannot Be Unintentionally Opened Or Closed
· Suitable For Shutter Widths Of Minimum 216 mm To Maximum 900 mm please See Diagram In Further Illustrations
· Maximum Shutter Travel 1.6 M
· A Trial Installation Is Advisable For Heavy Shutters. The Installation Instructions Included With The Set Must Be Observed Without Fail
· Comprises:
1 Pair Counterbalancing Drums
2 Steel Cables, Each 1.6 M Long With Fastening Eyes
1 Kit Of Fastening Materials
1 Mounting Instructions Leaflet
· Galvanized Steel Drums; Black Plastic Fittings