Check the listing for details. Andersen Tandem Lock For EZ Casement Windows Universal Handing Tandem Lock. Color: Silver, Condition: New. Listed at 22.02 USD. We are an Authorized Distributor for Andersen, Larson, Marvin, Pella, GU Ferco, Hoppe, Emtek, Roto, Milgard, Peachtree, Weathershield, and many more. Shop our store for your door and window hardware needs. Customer Service Hours Monday-Friday 8am-4pm CST Andersen tandem Replacement Lock, for windows that lock in multiple places. Fits: Anderson Improved E-Z casement windows (1999 to Present) Handed: Left and Right as viewed from outside the HINGES are on the right. Part number located on handle shaft may not match new number Center to Center locks: 23-7/8 Inches Overall length: 28-5/8 inches Note: Old Style lock had gear on back side - New replacement has Rod attached and you must replace the top and bottom locks as a unit. Sash lock with screws, flush mount for units manufactured 1999 to present. This is a right hand lock. Handing is determined by location of lock viewed from the interior. This lock is for units dimension heights greater than 40 13/16\" and less than or equal to 52 13/16\". Related Andersen Window Parts: 1351433 Left Hand Single lock window 1351434 Right Hand Single lock window 1351435 Left Hand Short Tandem lock 45 and smaller windows 1351437 Left Hand Long Tandem lock 5, 55, 6 windows 1351438 Right Hand Long Tandem lock 5, 55, 6 windows