Two interlocking clips mate perfectly to form a solid, streamlined interlocking mount. Since the photo hanger measures merely about 2mm in thick per piece, there is only a very tinny distance against the wall. Flush mount brackets provide ultimate safety to prevent mounted objects from falling. Stainless steel with maximum corrosion resistance makes the wall mount picture hanging clips durable for extended use. The design with countersunk and symmetrical screw holes allows for quick and easy installation. Great for securing picture frames, art works, exhibition paintings, clocks, mirrors and more, bringing to your home and office. duty flush mount brackets can be used individually for small hangings. For wide wall hangings, multiple mounts are recommended. When you need to remove the wall mounted objects for cleaning or other reasons, simply lift it off the brackets. Specification: Material: Stainless steel Color: Silver Maximum load: no more than 5KG About 5.4x3cm Package Contents: 20 x Z shaped clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.