Prime-Line Ellipse Dyad White Window Operator by Truth, Left Hand

This is a Truth Ellipse left-handed dyad operator with a baked enamel white finish. It is made of heavy-duty diecast zinc. The steel arm, worm drive and gears are protected with a corrosive resistant finish and it opens to a full 90°. Jointed arm assembly has a clip that fastens onto a stud bracket located on the casement sash. When installing, the housing easily fastens down to the window sill.