Listing ID #3499596
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Contact SupplierGear Type Rolling Shutters are operated
mechanically by using a hand crank
winding handle. Counter balancing of the
shutter curtain weight is done by using
high tension coil type springs (made from
special steel spring wire) within strong
suspension shaft to reduce deflection. The
gear operation is through machine cut
worm gear. These Rolling Shutters are
ideal for small to medium size.