Prime-Line F 2646 Keyed Child-Proof Sash Lock, 2 in. Hole Center, Diecast Construction, White Finish This sash lock can be used on horizontal and vertical sliding windows constructed of aluminum, wood and vinyl materials This item has 2 in. mounting hole centers White enamel finish Diecast construction Please verify dimensions against the line drawing on this page. Please also add attached image as a 3rd image on the page.