Pella Thumb Turn Latch Lock for Interior Sliding Metal Door Handle in White finish.

The part is exactly as pictured on this listing.

Fits: 
Pella Architect Series sliding doors manufactured from 2002 - current 
Pella Designer Series sliding doors manufactured from 1997 - current 

Length: 1-3/4 Inch 
Thumb turn Flange: 7/8 Inch 
Spindle Length: 1-3/8 Inch 
Spindle Diameter: 1/4 Inch