This product is a nailless sawtooth hanger with dimensions of 0.31 inches wide x 0.98 inches long, made of steel with a black electroplated surface. Designed specifically for wooden frames, these hangers can be easily installed without additional hardware. The hardened surface treatment ensures that the hangers will not bend or deform during installation, allowing you to confidently secure them in place with a hammer. The compact and convenient size allows these sawtooth hangers to be quickly and easily installed on hardwood, providing sturdy support for your decorations.