Your original cord may be thicker or thinner from use. You can find the orignal cord size & color hidden in the rails. Most Cord breaks from a wear area in the Cord Locks & Guides These sharp edges will break your new cord again, sooner. Replacement of these parts is recommended 
| Standard Blinds use 1.8mm & have the route holes in the center of the louver. They are visible. 2 inch & Wood Blinds Included |
| Mini Blind Privacy - Uses 1.4mm. Route holes are in the back of the louver/slat. Or can be woven right into the Ladders. Privacy Wood Blinds-1.4mm as well, cord goes through the Ladder loops, there is no hole in the louver/slat. |
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