Picture Rail Molding Hooks for hanging art from picture rail molding,Steel Moulding Hook with a Brass Plated Finish,Picture Rail Hook is 1/2 inch wide and 1 3/4 inch long,Strong steel hook is 1/32 inch thick,Supports up to 25 pounds. Made in the USA and designed to fit tightly against the S-curve profile of traditional wood Picture Rail Moulding (sometimes called "Ogee" or "OG" moulding)