Casement Dual Arm Operator for Marvin/Truth

Right Hand. This casement window operator is for right hand windows only. Handing is determined by the side the hinge is on, as viewed from Outside. 15.10 Dual Arm Casement Operator compatible with Marvin, Bilt Best, Windsor, Vetter, Pozzi, Shelter & other wood casement windows. Long Arm Length: 10-1/2" (center of operator to center of button); Short Arm Length: 4-7/16" (offset link - UP). Dual arm action pushes the sash open while pulling the hinge side of the sash to the open position. When properly installed this operator results in almost effortless operation of casement windows.