latch lock hardware for a window having a latch - lug that is insertable into a latch pocket in the casing for tilting purposes . the latch lock hardware comprises a pair of vertically - spaced cams located on the casing above the latch - pocket and a pair of vertically - spaced elements mounted on the window . the upper element is located beneath the upper cam to prevent removal of the window for a small tilting angle of the window and the lower element is located beneath the lower cam to prevent removal of the window for a relatively larger tilting angle of the window .