Check the listing for details. Andersen Window Tandem Lock Short Left Hand Fits E-Z Casement Window Flushmount. Color: Silver, Condition: New. Listed at 22.02 USD. Andersen left hand short flushmount tandem lock. Lock fits Anderson Improved E-Z casement windows (1999 to present). The part number located on handle shaft may not match new number. Handing: Left (determined by location of lock viewed from the interior). Center to Center locks: 24-3/8 Inch Overall length: 29-1/2 Inch Note: Old style lock had gear on back side, replacement has rod attached and you must replace the top and bottom locks as a unit. Priced and sold each. Related Andersen Window Parts: 1351433 Left Hand Single lock window 1351434 Right Hand Single lock window 1351436 Right Hand Short Tandem lock C4 & C45 and smaller windows 1351437 Left Hand Long Tandem lock C5, C55, C6 windows 1351438 Right Hand Long Tandem lock C5, C55, C6 windows