Prime-Line Zinc-Plated Silver Steel Left/Right Single-Arm Casement Window Operator For Universal

This item is a non-handed casement operator for use with Butt-Hinged casement windows. It has a 10-3/4 inch rotating arm and allows 1-3/8 inches between screen and sash. It is driven by a heavy cast worm gear and has a full 90 degree motion in both directions. Found on Parlyn Windows as well as many others. For brass version see Slide-Co item no. 172044.