DELUXE DOUBLE BEAD  WHITE ROLLER / ROMAN BLIND BEADED CHAIN.

APPROX 2MM GAP BETWEEN BEADS AND 4.5MM DIAMETER

THIS DOUBLE BEAD CHAIN CREATES SMOOTHER OPERATION OF YOUR BLINDS

ALSO KNOWN AS N0 10 OPERATING CHAIN

TO CALCULATE HOW MUCH YOU NEED X THE HEIGHT OF YOUR WINDOW X2 ,SO IF YOUR WINDOW HAS A HEIGHT OF 1M THEN YOU WOULD NEED TO ORDER A 2M LENGTH.

USED BY MOST MAJOR BLIND MANUFACTURERS 

2MM GAP BETWEEN BEADS AND 4.5MM DIAMETER