This 20 pack of sawtooth picture frame hangers provides a simple, strong and professional solution for hanging frames and artwork. Each hanger is designed to clip over 2–3mm backing boards, making them easy to fit before inserting into the frame.The photo frame hooks feature a sawtooth edge that grips securely on nails or hooks, preventing slipping and keeping frames level. With the option to hang portrait or landscape, these clip over frame hangers are versatile for any wall display.Perfect for home, office or gallery use, this picture hanging kit is suitable for photo frames, mirrors, posters, and valuable artwork. Strong, discreet and easy to use, these hangers are an essential piece of frame hanging hardware for DIY projects and professional framing.