Owner JF-25 hooks are made of Tuff Wire. They are thin, light, with a flat head and reinforced wire, very strong with great penetration. Ideal for Slow jigging.SizeStrength(PE)Pack1/016lb11 pcs2/024lb10 pcs3/025lb9 pcs4/035lb8 pcs5/038lb7 pcs6/042lb5 pcs..