Chain Connecting Link; 81; Spring Clip; 12.7MM Chain Pitch; Standard; 1 Strand; Carbon Steel; ISO; 7.75MM Roller Dia; 3.3MM Roller Wid; 1.13MM Plate Thickness; 9.6MM Plate Height; 4.09MM Pin Dia

Roller Chain; 81; Riveted; 12.7MM Chain Pitch; Standard; 1 Strand; Carbon Steel; ISO; 7.75MM Roller Dia; 3.3MM Roller Wid; 1.13MM Plate Thickness; 9.6MM Plate Height; 4.09MM Pin Dia

Roller Chain; 10B Chain Size; Riveted; 15.875MM Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ISO; 10.16MM Roller Diameter; 9.65MM Roller Width; 1.7MM Plate Thickness; 14.7MM Plate Height; Curved; 5.08MM Pin Diameter