Heavy Duty Black Steel Nailess Sawtooth Hanger 1" Long used in both hardwood and softwood mouldings. 1/4" wide x 1" long Nailess Sawtooth Hanger Steel Sawtooth with a black oxide finish, Self-attaching NO-Nail sawtooth picture hangers for wood frames. No additional hardware needed The hardened finish allows the hanger to be hammered in without bending or deforming Small Sawtooth Hangers install quickly into hard wood