Attributes . Connecting Link; C2100; Cottered; 2-1/2" Chain Pitch; Double Pitch Heavy Conveyor; 1 Strand; Carbon Steel; 3/4" Roller Diameter; 0.744" Roller Width; Carbon Steel Roller Material; 0.157" Plate Thickness; 1.181" Plate Height; 3/8" Pin Diameter; Straight . Names