Products Quick View UNASSEMBLED Coulisse Cordless Spring Roller 2.0 Headrail System $55.00 Quick View ASSEMBLED Coulisse Cordless Spring Roller 2.0 Headrail System from $125.00 Quick View Spring Cutdown Service $20.00 Quick View Roller blind spring M 1.1x160 spring 38mm (1.5 lbs, "XSMALL") $19.89 Quick View Roller blind spring M 1.2x300 spring 38mm (2 lbs, "SMALL") $18.99 Quick View Roller blind spring M 1.5x450 spring 38mm (4 lbs, "MEDIUM") $22.01 Quick View Roller blind spring M 1.7x550 spring 38mm (8 lbs) $29.40