Picture Hanging Tool is Single hook and double slot design is suitable for different kinds of photo frames. Picture Hanging Tool Suitable for home,office,workplace or any picture,photo,poster,digital oil painting,cross stitch,photo frame hanging. The spirit level helps to make sure you hang vertically,and the markers above your nails make hanging pictures and canvases easy. The rubber pad on the back of the tool prevents scratching the wall.Equipped with horizontal bubbles to ensure the balance of the frame. It's very simple to use,it doesn't need to debug too much and saves time. › See more product details