Aria Standard Bifold Folding Door Handle, w/ 1-3/4" Screw Holes
Handle is used on Folding doors to lock the main and middle panels in place 

Spindle Diameter: 5/16 (8mm)
Spindle Length: 1-3/16 inch (30mm) protrusion 
Screw Holes: 1-3/4 (45mm)
Plate Size: 1-1/8 x 2-11/16 (30 x 68mm)

Color Options:
White
Satin Chrome

Priced and sold each.