The Prime-Line(TM) single left arm crank is designed for casement windows. The operator provides a full 90° window opening and disconnects easily from the sash and its plastic roller assures smooth operation. This item includes 1 operator, 1 handle and 1 set of installation screws. The product is white, is 9 1/2" in length and is covered by a 1-year warranty against manufacturing defects.