Roller blind mechanism for 38mm tube, chain operated. You get the control end & idle end & metal fixing.
The 38mm (Internal diameter of the metal tube? Roller blind kit is the same as a 40mm outside diameter of the metal tube.
NB size refers to the external diameter of the roller tube
brackets which you can top or face fit.
Comes with either a never ending chain.
The chain length is either
1m which makes upto a 500mm drop
1.5m which makes upto a 750mm drop
2m which makes upto a 1m drop
2.5m which makes upto 1.25m drop
3m chain which makes upto a 1.5m drop
3.5m chain which makes upto a 1.75m drop
4m chain which makes upto a 2m drop
4.5m chain which makes upto a 2.25m drop
5m chain which makes upto a 2.5m drop
5.5m chain which makes upto a 2.75m drop
6m chain which makes upto a 3m drop
You will get a free safety device with each roller kit, which must be used.
All continuous chains must be secured using a chain tensioning device which must be fixed to a wall at least 1.5m above the floor.
To calculate maximum allowable chain length to comply with new safety regulations:
Max drop of chain = (Height of rail from floor in cm - 150cm)
MUST BE FITTED WITH A SAFETY DEVICE