JK WINDOW SHADE / ROLLER BLINDS
R20C Crank
Manual crank operation for controlled adjustment.
PRODUCT OPTION
About this system
A removable crank can be useful where chain control is unsuitable. We can advise on reach, fixing position and operating access.
We can help check measurements, fabric compatibility, operation and fixing details before confirming a specification.
Size guide
| Model | Min width | Max width | Max drop | Max area |
|---|---|---|---|---|
| R20C | 200 mm | 3,450 mm | 4,250 mm | 6.5 m² |
Dimensions are in mm. Limits assume 220 g/m² fabric; heavier fabrics can reduce the achievable size. The R20S may also have reduced limits if a stop is fitted. Width, drop and maximum area must all be met.