Peri Home 6D125401OB is a curtain rod for windows that range from 28 to 48 inches and 48 to 86 inches. The rod can be installed into wood trim, wall studs, and hollow walls. For installation into hollow walls, plastic anchors are included. The rod includes finials and can be connected to additional curtain panels and rods to achieve the desired width. The setting screws can be tightened to prevent the rod from moving.