Sufficient for replacement: you will get totally 8 pieces (4 sets) roman shade wall l brackets in one package, enough quantity for meeting your daily demands; They can surprisingly work well Size information: the wingnut ceiling or wall mount bracket measures approx. 1.8 inch in length, 1.3 inch in height and inch in 0.9 width, Please measure carefully to make sure brackets will work with your shades Ceiling or wall mount: l-brackets mounting can fit roman shades and other similar window treatments, allowing for the easy wall or ceiling mount; Wingnut operation allows for easy adjustments for a nice installation Easy installation: you just need to simply mount the window shade mounting bracket on the wall and hang your curtains; It is recommended to remove the old shade and make sure to wipe them clean before installing the bracket Sturdy and reliable: the wall mount brackets are made of iron material, so they are durable, sturdy, not easy to break or deform that can last for a long time use, fitting for both wall and ceiling installation