IDC Select® British Standard roller chain is made in accordance with ISO 606B, BS228, and DIN 8187 standards and are manufactured with a solid bushing/solid roller design. While resembling standard ANSI roller chains, British standard chains are dimensionally different and in general do not run on standard ANSI sprockets. IDC Select® British Standard Roller Chain, Riveted, 25.4 mm Pitch, 8.28 mm Pin Diameter, 101.2 mm Pin Length, 15.88 mm Roller Diameter, 17.02 mm Roller Width, 21 mm Plate Height, 4.15 mm Inner/3.1 mm Outer Plate Thickness, 3 Strands, 160 kN Ultimate/203.7 kN Average Tensile Strength, 10 ft Overall Length, Carbon Steel