11/16" x 3-1/4" Rabbeted Stool (8938) – Primed Finger Jointed Moulding is a precision-milled interior window component designed to create a clean, finished transition at the base of window units. Featuring a factory-cut rabbet, this stool allows the window sash or jamb to seat securely for a tight, professional fit while providing a smooth, finished surface that extends into the room. The 3-1/4" depth offers balanced projection for standard residential windows, and the 11/16" thickness ensures dependable durability and stability. Manufactured from primed finger jointed material for enhanced straightness and consistency, the 8938 arrives paint-ready to streamline installation in both new construction and remodeling projects.