Chain Pitch: 0.250 in; Chain Material: Steel; Roll Diameter: 0.13 in; Distance Between Inside Sidebars: 0.130 in; Double Pitch: No; Lacing: N/A; Sidebar Thickness: 0.030 in; Number of Strands: 2; Rivet Diameter: 0.09 in; Pin Type: Carburized; Roller Chain; Product Line: ANSI Standard Chains; Series: Double Strand; Model = 25-2 RIV