Roman Blind Toggle - Locking Cord Adjusters -
Replacement Parts for Roman Blinds 
Cord Adjusting Orbs - Tension Cord Adjuster (Spring Assisted)
Used for locking and adjusting the end of the cords on a Roman blind, to enable the blind to raise and lower evenly
 
Sold in packs of  5 - 10 - 20 - 25 - 50