Slide-Co 17975 Casement Window Operator, 10-3/4 inch Reversible, Chrome Product Description Reversible casement operator for swinging wood casement windows. Non-handed operator requires only 1-3/8 In. space between screen and sash. Heavy cast worm gear. Swings to 90 degree either way. Used by Parlyn. From the Manufacturer Reversible casement operator for swinging wood casement windows. Non-handed operator requires only 1-3/8 In. space between screen and sash. Heavy cast worm gear. Swings to 90 degree either way. Used by Parlyn. Features This sash lock is used on vertical sliding windows constructed of wood or vinyl materials This item has 2-1/4 in. mounting hole centers Powder coat white enamel finish Diecast construction Can be used on single and double hung windows All the necessary mounting hardware is included for a quick and easy installation Reversible casement operator for swinging wood casement windows Zinc finish Heavy cast worm gear Swings to 90Degree either way Fits Parlyn wood windows USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.