Has a SQUARE shaped gear hole in the center (this means that the metal rod that is located inside of your blind's headrail must be SQUARE shaped in order to fit inside of the gear.)
Please verify the shape of the metal rod inside your blind's headrail before buying.
Warning: You'd better disassemble the existing wand tilter in your blinds and make it compare with the size and shape of our tilters. If it has difference,please don't palce the order in order to save money for you. Because it will not match.
The SQUARE shaped gear hole in the center is 3/16inch (4.5mm) wide in diameter. For detail size ,please check the picture showing.
ONLY Fit the headrail with the size of 1-1/2" x 2-1/4"