Heavy Duty Roller Chain 80-2 x 10FT 1 inch chain, Roller Diameter: 0.625", Pin Diameter: 0.312"; Pin Length (L max) 2.469" (Lc Max) 2.531", Inner Plate Depth: 0.945", Plate Thickness: 0.128"; Average Tensile Strength: 29000lb; Material: Carbon Steel; Weight Per Foot: 3.451lb